{
  "manageEntity": {
    "action": "Create",
    "entityId": "731856353",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"really dope track!!!\",\"entity_id\":626183101,\"track_timestamp_s\":11}}",
    "nonce": "0x9097c3441ce0889d2a25d08942a4626c456c85fba460aa4bccb1898d448cfaf1",
    "signature": "0xa5c8926af9fb26393fe6744205f3121822b35a2281e66921f97673087b11673a540040d725bbf57bbfa0776af66b8ce2d7363cad71df9fe2731d513ac6692fee1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}