{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "15757",
    "entityType": "User",
    "nonce": "0x1b2160f1db919e5e71e3e888845984989b02866223105c551295ea46aeb4cd02",
    "signature": "0x1e4afcef050c44572582a7fee30d523855bdc293c0de1839db148001a7d33d6d7401bafc2a6170c3cdc9e12bbc61ca3bfad6d758efa63ab47ae6ddfe2def45ab1b",
    "signer": "0x1912FC6B7317125d52bbb01C67381C923FA92aCe",
    "userId": "763473"
  }
}