{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "939113546",
    "entityType": "User",
    "nonce": "0xf4cc582db4dc51f00246939cd28731af2695ec1b98914dfef8e5723b242be53e",
    "signature": "0x0c26b062575b26058112f9665ccabacfff9290c671e67f0809b50d4ecea5ed330660a2209a7c8fb2f5d75f5343dc15f8b17f193e9da14f8ade0ea3c9f7876c261b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}