{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "423",
    "entityType": "User",
    "nonce": "0x81e80057cfdddecb559552acbfe329d4bd2d1306cafb8867e9041cba4d2689a1",
    "signature": "0xd9a3e739afd437c9dabbd8d7576c57401e04b839d8dbe1380705455627624fc25094f019461919f3340c6d5b971f508640707891b4a591abf74b5f3093ce6a471c",
    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}