{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x03a5ef4feda482840527bc6e4b194c7adb509430ebcbe50a3621e77ded7d70a2",
    "signature": "0x8b5b97dba3232ad605d1065a797e8df1520c18366266562f37df80ab6c4509ac15c06134fa9f67df9c59335299f8e99256e8e40d2dc65a52de6b6f11cac7fc6d1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}