{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x5c041827e17c25e0216ec8d6a5786814ac0643e1df82929524f955a636ca4326",
    "signature": "0x064ae953686e2fa9ec3f87fd569456b011c27882a3e15900bda90e64106f00ec704a6ed16aa078e0fa2e28cfc67c696f7f66cdb9df290bd5262c5458830b537b1c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}