{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302385956",
    "entityType": "User",
    "nonce": "0xef6c589a38c25e12c24287630c1c6185d1e0d95ef277f28aaca4e84b61b5cbc8",
    "signature": "0x7167d58556baefb98875b7b79aa4c22e03b1bf8c5764f5680f8bcfe24542f2151b047b09624c35ce4b81917dd5c8b2a18d2cdcf32cc9bb5ed7942170083f9e531b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}