message_id: routing.transforms.allow_properties::1cXraXWx3catfIEziNxgz6Ta32x
exchange_request_body: {"channel":"server","context":{"library":{"name":"unknown","version":"unknown"}},"event":"Allow Properties","integrations":{},"messageId":"routing.transforms.allow_properties::1cXraXWx3catfIEziNxgz6Ta32x","projectId":"mU3g6iFrkt","properties":{"a":"A","b":"B","nested":{"bar":1}},"receivedAt":"2020-05-28T17:10:42.763Z","sentAt":null,"timestamp":"2020-05-28T17:10:42.763Z","type":"track","userId":"mme-e2e","version":2,"writeKey":"E9Yj9PvZoRwE8EHSR7g4QRRbJouSdMNS"}