{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68569",
    "entityType": "User",
    "nonce": "0xe69c3f4b5b8aaba60681d452ec49f1e6ba67617659dd3bec29f8a16673b0bfaf",
    "signature": "0x0469c9d036ebe900df5a2e74a0c0349f1e6beb43adfbb74d7f810d59e0525ed7372926a7d46f26686eee4e6f819b5a537433553b7c789f4e19b29b59f0bcecd91b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}