{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0xe365bb35d5e8e6a5ceb5400d560e06c2d5739157d8e1e67ccd81c55495f279dd",
    "signature": "0x69846340f6b804b2903301f0f93512b35fad038d5500ee40a2d73b377508f4b67969118edbcaec7182cfb3f734a5d6bcf879d15fead727eed0c031ad79576aea1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}