{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "309421",
    "entityType": "User",
    "nonce": "0x833669f047603ed9e6bbb7c926f9273bfbf3adda4ef7da02165d4b81af8ddffd",
    "signature": "0x3d1c0bea61395565ba4301a68bab5509f564775069e942f455afd98757ee6d185ed9cf7720a07eb974db71d2cb8186eef779b725eb7484843a90ef07c81a629d1c",
    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}