{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227533",
    "entityType": "User",
    "nonce": "0x798aed448cccc71c623e2769ff0a43bff4d32754709ea6332977759181cb8fea",
    "signature": "0x071a692b2a16d492dd654c531de17b952e97113420457ba26b7971e94b9d07df53b5e23c02ea4ad412fa1e05f7ed5c0153790299a60b0d85f73c1060b07681971c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}