{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xeb513c5ef5b174c42dcea576f850bfc75718c81ca06c587333ff08044faf6bc7",
    "signature": "0x6b3c458055a99ae8c7334c40b01b3f71d8b24d684157a730fb4f12fa2d72b75b46083a04fe874d0c5fdb5a945dca98133bb2fa82725f3e7bd7bb2302037263961b",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}