{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2c8b7e5aa85191e32d9a5f55d400b6cd4d5bee28565a2b35d2dbe4c8e5139fe8",
    "signature": "0x5337c1036635f10a1735cda71625f7df25db5eb2c0425d30bbaf2006ca5a6d4318ef50a4205ec1db05f694b81fdd3c63b52b807c67e91be8ee437ba07ffdffea1c",
    "signer": "0xa34Ced4F52f585b36D7A5c2e45906594B875e6CD",
    "userId": "425430290"
  }
}