{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x068a4b9b8d686dac633e778fec18cf9c0d49fd88d92cb8a619515bf27e96c290",
    "signature": "0xefa165e979269a637c9db85d414b3d09168dd4ad4b677b2b79a3171a7d0d7ac80129ea2c29436fb39d4de3cc04688f65efd9d2f4cc497c29183721564698b0461c",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}