{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc53b8852d4e2defe56ef790aa4355eef331cb6f07e895702f6b59c8ddfbd1624",
    "signature": "0x03ca94680e7b8742959fe928c85ed404a54d26d92942810ab28628a30eccbc9764d0eb6c0ab11b284faa9d6fe490dea0e032c3227f20a8437d3201f29051743e1b",
    "signer": "0x03d805c52734D7677B0685A26FbA10f809482Ee2",
    "userId": "709609524"
  }
}