{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3567",
    "entityType": "User",
    "nonce": "0x2676f8ed66bcdd1f3d63b72743161c179cdf3b598e32b4ddc4652f29126e05f9",
    "signature": "0x936f88da3a9dc8747d070b8651746b0e8792d92cf73003e583684036fd1462de375c7795409bfa7b580168dc66704eadca5775da491da8794d9486e47f17ab6e1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}