{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360354",
    "entityType": "User",
    "nonce": "0x0ca47454633e3b60b29a6cdf230872e2cb58f7c2c41b69e3439f02c19c38284f",
    "signature": "0xfa927a66232d0a5666419b05d7e19521b13909eadd34e0ef6e21924257f4abf12826a2087d934b2a79b52239cdc5e51687852083bbf0aafab3984d8dc2c4e0901b",
    "signer": "0x57b40Ee844c8371ccadD365f23a00d930b2e463A",
    "userId": "866414313"
  }
}