{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xbf0aa3bae1ae7757117d8816baa2eaa9c093c9a4ceca27206056f6989b3a82f8",
    "signature": "0x45b4b829617d27283d5d210cb668d740caf8946921eb6b5141dbaf95f85e1c8f7a13f11e1400e938ae10338cce0dcd3c0c96088624438b9e5a02c3fb29366c871b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}