{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0a92040730c1dcd8d5d6815773428e5ce1dcff3a16e5a7e4901be8ee2c1ff7eb",
    "signature": "0xc87c28cd3625c2f62f9f69ec6de6b1aa7f4295898f55d6ae8cafa032915664712ef2fffd31474e58892bc3431051b1bc5d78cf6f961fb6c4cfa7a42640b6f5cc1b",
    "signer": "0x28E7F8aFF945a88D8694Fc88843063c560704d4e",
    "userId": "440819111"
  }
}