{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "464876",
    "entityType": "User",
    "nonce": "0x1542504051899dcd45de4033a4c34629772853451a82eed516d0f77875143a41",
    "signature": "0x0c23d63fca4c47f8bc1b19fcf057acb5a03472bd050b3e580303466e6e466d3a4d9d3ca0172b5972b403cf4785dd72870760d603e9e744ae48c20a7904af0e7b1b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}