{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xe9168373a263f1191b36e42779d408d51ad0b3122e28dfa99d966f851278d113",
    "signature": "0x608fa0b3472ad4ce3e293541765fff262c0cda9a999369ee0ed9650f97d0bc4d740b24242b7a07741f7f29444fe16b986642b2a96980a13a23c3e14c7aac6d9a1c",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}