{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xad799cc24302d873dd06cccc65086b3e5f668377510164c8f17c432fa4e3c5e0",
    "signature": "0x68bbfffe7956ffe6f0092bac9dc651bd774b5e1e486df3703c2bef1afdbec1b05d66769d22aba05a56de9e174b5f059b9cab38c28a36aa687836dd1e4f0521281b",
    "signer": "0x18c2052af8C4c04678DB2Bdae7c2a5415D323675",
    "userId": "909969620"
  }
}