message_id: routing.transforms.complex_matcher::1cXrayZ7WAWe4BhyMnrk5xK9fbp
exchange_request_body: {"channel":"server","context":{"library":{"name":"unknown","version":"unknown"}},"event":"Complex Matcher","integrations":{},"messageId":"routing.transforms.complex_matcher::1cXrayZ7WAWe4BhyMnrk5xK9fbp","projectId":"mU3g6iFrkt","properties":{"a":"A","b":"B","escape me":"E"},"receivedAt":"2020-05-28T17:10:46.673Z","sentAt":null,"timestamp":"2020-05-28T17:10:46.673Z","type":"track","userId":"mme-e2e","version":2,"writeKey":"E9Yj9PvZoRwE8EHSR7g4QRRbJouSdMNS"}