{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x97f3849e216768880d98d331eb222d03cb592029b4298d396fcdacfc28ff9193",
    "signature": "0x70ca98b73e5924065ccec7d89c020a861c6f8ff6825bb83a52905d067b5c73712b11ef3b10890be0df0a872d5326afc248b20f07c2bd4ee96637edda3868d4981b",
    "signer": "0x29D23E68860a289Bb6F0d191BCd10b522c903869",
    "userId": "982049095"
  }
}