{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128172",
    "entityType": "User",
    "nonce": "0xbf36e9df532f0fee6292ad456437e10f9cdd9afc08d707b9d8d4bb3816428c11",
    "signature": "0xbcfab4337732a72f22b8487af42325bb2ae46c21e65a20f73f9681cbc7ff53d41a92cc3471be57bfc9b7a36f72a21f8e81b5c4ec5ad69c99596475aa1e8e0b3e1b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}