{
  "manageEntity": {
    "action": "Create",
    "entityId": "147800676",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"BOP!\",\"entity_id\":502216567,\"track_timestamp_s\":73}}",
    "nonce": "0xed1bfad2bab1324dd407222573b0daf2e6e1ab19ebcad3196da62bc2a13cfc6f",
    "signature": "0xeecb6f1ec8a00313ec25aef580c1916ea3c2f5075e015d19d6d5c281e565c0cb118c657b20a5422efe93560725ca4fe366917a9b6096511247faf84e700b4c561c",
    "signer": "0x7D273271690538cF855E5b3002A0dD8c154bB060",
    "userId": "1"
  }
}