{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x0daab65ad2cb7343ab0d47bca13b294417b110e469588974127ff6b1cdf73780",
    "signature": "0xb17ca2c01233f8593ae06498af828c137d16c2f54cdeb822edd8a1d81f8cf5da731c37cb9ac7b1131b2762ae7bf97c6e76fca9f6a698dd7899f0f17a5b4ab6701b",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}