{
  "manageEntity": {
    "action": "Create",
    "entityId": "1198699755",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Yaaas\",\"entity_id\":1176366642,\"track_timestamp_s\":2}}",
    "nonce": "0xdd2fef290a1b76e03d4751178fa51dc028f65a6e3d126d65afb57e9d2df31edf",
    "signature": "0x29fa3709e56efdbe66ffce7a409204cd4e8c8bd1f9765add887f07de851adece73e11596eea415357b1052b55028608835c2e52b098e49152f4e7cc27e1524061b",
    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}