So I got it working!!!
I used a function node and inserted the converted yaml to json text there. I then used {} in the data section of the notification service.
Here is the flow:
And here is the sequence exported:
[{"id":"ea72862f.6d8598","type":"server-state-changed","z":"5019f4af.6dab3c","name":"Alarm Control Panel","server":"9582d396.920b1","entityidfilter":"alarm_control_panel.house","entityidfiltertype":"substring","haltifstate":"","x":150,"y":215,"wires":[["c0cf4cef.8717"]]},{"id":"19eb658d.96f49a","type":"switch","z":"5019f4af.6dab3c","name":"Alarm State","property":"payload","propertyType":"msg","rules":[{"t":"eq","v":"armed_away","vt":"str"},{"t":"eq","v":"armed_home","vt":"str"},{"t":"eq","v":"disarmed","vt":"str"},{"t":"eq","v":"triggered","vt":"str"},{"t":"eq","v":"warning","vt":"str"}],"checkall":"true","repair":false,"outputs":5,"x":580,"y":215,"wires":[["8399dd88.2c1b3"],["a5f9ed5c.20aa6"],["6259519e.1d852"],["bea1af4b.fe4d5"],["b0bc6f69.d6eab"]]},{"id":"8399dd88.2c1b3","type":"api-call-service","z":"5019f4af.6dab3c","name":"Notify Armed Away","server":"9582d396.920b1","service_domain":"notify","service":"ios_josephs_iphone","data":"{\"title\": \"ALARM\", \"message\": \"Armed Away\"}","mergecontext":"","x":1170,"y":150,"wires":[[]]},{"id":"a5f9ed5c.20aa6","type":"api-call-service","z":"5019f4af.6dab3c","name":"Notify Armed Home","server":"9582d396.920b1","service_domain":"notify","service":"ios_josephs_iphone","data":"{\"title\": \"ALARM\", \"message\": \"Armed Home\"}","mergecontext":"","x":1170,"y":190,"wires":[[]]},{"id":"6259519e.1d852","type":"api-call-service","z":"5019f4af.6dab3c","name":"Notify Disarmed","server":"9582d396.920b1","service_domain":"notify","service":"ios_josephs_iphone","data":"{\"title\": \"ALARM\", \"message\": \"Disarmed\"}","mergecontext":"","x":1160,"y":230,"wires":[[]]},{"id":"6c39e09b.37416","type":"api-call-service","z":"5019f4af.6dab3c","name":"Notify Triggered","server":"9582d396.920b1","service_domain":"notify","service":"ios_josephs_iphone","data":"{}","mergecontext":"","x":1160,"y":270,"wires":[[]]},{"id":"86ca6274.c08c4","type":"api-call-service","z":"5019f4af.6dab3c","name":"Notify Warning","server":"9582d396.920b1","service_domain":"notify","service":"ios_josephs_iphone","data":"{\"title\": \"ALARM\", \"message\": \"Warning\"}","mergecontext":"","x":1160,"y":310,"wires":[[]]},{"id":"2603d0fb.d7964","type":"comment","z":"5019f4af.6dab3c","name":"Notifications","info":"","x":130,"y":140,"wires":[]},{"id":"c0cf4cef.8717","type":"traffic","z":"5019f4af.6dab3c","name":" ","property_allow":"payload","filter_allow":"on","ignore_case_allow":false,"negate_allow":false,"send_allow":false,"property_stop":"payload","filter_stop":"off","ignore_case_stop":false,"negate_stop":false,"send_stop":false,"default_start":true,"differ":false,"x":350,"y":215,"wires":[["19eb658d.96f49a"]]},{"id":"20c43e2d.517242","type":"server-state-changed","z":"5019f4af.6dab3c","name":"On/Off","server":"9582d396.920b1","entityidfilter":"input_boolean.kettle_auto","entityidfiltertype":"substring","haltifstate":"","x":110,"y":285,"wires":[["c0cf4cef.8717"]]},{"id":"bea1af4b.fe4d5","type":"function","z":"5019f4af.6dab3c","name":"Message","func":"msg.payload =\n{\n \"data\": {\n \"message\": \"Triggered! {{states[states.alarm_control_panel.house.attributes.changed_by.split(\\\".\\\")[0]][states.alarm_control_panel.house.attributes.changed_by.split(\\\".\\\")[1]].name}}\",\n \"title\": \"ALARM\"\n }\n}\nreturn msg;","outputs":1,"noerr":0,"x":980,"y":270,"wires":[["6c39e09b.37416"]]},{"id":"b0bc6f69.d6eab","type":"function","z":"5019f4af.6dab3c","name":"Message","func":"msg.payload =\n{\n \"data\": {\n \"message\": \"Warning! {{states[states.alarm_control_panel.house.attributes.changed_by.split(\\\".\\\")[0]][states.alarm_control_panel.house.attributes.changed_by.split(\\\".\\\")[1]].name}}\",\n \"title\": \"ALARM\"\n }\n}\nreturn msg;","outputs":1,"noerr":0,"x":980,"y":310,"wires":[["86ca6274.c08c4"]]},{"id":"9582d396.920b1"]