{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "581",
    "entityType": "User",
    "nonce": "0xa616f325c50bcfe459f4cef2fd6dbb982df54d1ffae96b86ffa4204846a403d2",
    "signature": "0x746e34be3835e882c1d75d0ed320e3089f200d8cdb861a1302f39309c76d04d53ae47dda023be01ebc7bb041c02ef1fe596932e4309970b655b21e5acc5ba3b71b",
    "signer": "0x6509afe1AA42cB4aa0Ef07ad951De2B196741BFe",
    "userId": "8874"
  }
}