{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "4222",
    "entityType": "User",
    "nonce": "0x70862587438f681d9a6d07ed619bdcaad3db2c7c8705ec9ee5e4c9400a6dda4e",
    "signature": "0xa25666ae4f1910d1503a7106c4f088cd69e01c92dbb1fe0f17c246d03b8e95de6e0795b7c3021a8bdba870437eb532166f1f3484422d60dc7960d4b4847f222c1b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}