{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2a5dff42297bc102030a5f132c709e539101a8fb7a641d2167423b834da967f1",
    "signature": "0xd39af2c85e4a7e3cdaf02fd7f245f80530cbd309f91365c21628d99a1b7402e24ab68a07e89024d342c58dd4785ebc81fb47db183821e04c21a004c5915ecc521c",
    "signer": "0x6cfb8F51Ee356753Be1b859092b18929D118a337",
    "userId": "493966740"
  }
}