{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x14092ec6d5677681a05bdef147a66c489254df7da3d8adc122a7ff288c311780",
    "signature": "0x1aa428a5522c3b9800e9b15aef7aee822f76ec0a4879e1d66472c4d95200b7887496b9ff09744e17cf97b729777996ddfea849567b07cf9d656adb6012b7f94d1c",
    "signer": "0xd9d4cF91e1f5AA6f2F8599662a7c9b5896FB2a2C",
    "userId": "289632107"
  }
}