{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x102b79820aae9cce36f4ee027833ccd2ae6f63389f6105308584db4c035fa815",
    "signature": "0xc01b9ae0657c4246c5f88b3a37585702e4a60f512a44abee547665a79e18102576cc375f335edddd3d045ba71e5baff6e1c24748746403a5bc1967bf45c6e9391c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}