{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x32217ea2c5214cea2688bffa5282c7c45faa8ffcbb8cc06a67f5fbf83d314c37",
    "signature": "0x86e767c53b5023a796611e79fe2b58bf15a6561245da80b684605c370299778954defd046f195a49430f4636023f31b7e32c1a1c10b26397d90267a4dd147b631b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}