{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "904230991",
    "entityType": "User",
    "nonce": "0x1586a0065667d3bc807c60bb2bef917bbde40d9360f7ca615dc4a07fab9bbd46",
    "signature": "0xd07920667076ad785d554384bbf9ce5efee1bb62063496f02af0463c749e6045427eadf230b4dae29693af233bacaa8608b4dae03f8cf0b60b34f11f2a0bd7151c",
    "signer": "0xD4Cafb7f9ca72Dc91b76b7a5f46778B5e9CF25C9",
    "userId": "656918811"
  }
}