{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346741915",
    "entityType": "User",
    "nonce": "0xdd76a1d451e47d45d9f70c285a72f480393d4e49f09e29db6eace5eab88b61d8",
    "signature": "0x3aa9c76a13585276f48e0f1eee13e38763d2786ccb8ed8925f9ee4ed78d3c0b576e3e992145e410a63cc5532203188d47c5efbc0b37a8c75daa8658dfc8dcea11c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}