{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xafc28ff68067dbeeea0e1a77c06f39ac59c688e66cd99d595b29d34fa55d8417",
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    "signer": "0x7F9DE0DcBE9D407b8D2F66935a8ce84F440D48e4",
    "userId": "174567284"
  }
}