{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0xe7f50101bcbc3edebb3814827f059694bc2b89de111e6392a84359d47b71f30a",
    "signature": "0x7c6743aaaa3bec3d27128acbc361632bef1aee1ea22eec73e7138a14299387056d5f5fb062ff2e549f812d717de171648a107a113b5cf351ea0225bb37d58b171c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}