split the string using a function node and JS, or change node and JSONata
example of JSONata
[{"id":"a0f0ceca.b3f5f","type":"inject","z":"8d22ae29.7df6d","name":"Trigger Manual","props":[{"p":"payload"},{"p":"random","v":"","vt":"date"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":120,"y":2900,"wires":[["f28bcdf4.04cb4"]]},{"id":"f28bcdf4.04cb4","type":"template","z":"8d22ae29.7df6d","name":"","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"1\n1\nEAB961770026\nQRGQQBWVVXSTTVYP\nM11\n17511-708R+17511-707R\n11:45 20/12/2020\n0\n1\nBS30000101770043\n2225\n8.8\nOK\nError","output":"str","x":140,"y":2960,"wires":[["83a42de1.ce546"]]},{"id":"83a42de1.ce546","type":"change","z":"8d22ae29.7df6d","name":"","rules":[{"t":"set","p":"payload","pt":"msg","to":"($value := $split(payload, \"\\n\");\t{\"value1\":$value[10], \"value2\":$value[11]})","tot":"jsonata"}],"action":"","property":"","from":"","to":"","reg":false,"x":370,"y":2920,"wires":[["e865d4e9.d0217"]]},{"id":"e865d4e9.d0217","type":"debug","z":"8d22ae29.7df6d","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":630,"y":2900,"wires":[]}]