{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "10",
    "entityType": "User",
    "nonce": "0xa8e45067c1f90c981a703eeec6893ca7d5242f210d26cd9005abd0177e332310",
    "signature": "0x22c770ae215c054bac9a745f6088455c7f488c571cfede3c565e3decbae096482cb2ca7f7f02de6dc42b46f9579e49ab74976fff216c02bbccafd9fe007726e81b",
    "signer": "0x84eb2a9cEc5A6107060d141D4BB88003603509D6",
    "userId": "393111"
  }
}