{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "343",
    "entityType": "User",
    "nonce": "0x4073b4ce2e42b7962e15bf7666ca862109b3f44be5322a5b8c155307fa4ccd21",
    "signature": "0x72b6d8a9d1fd131dd671ccd7c5152702cd55c0c22ce82832967c4a72db7b96b032bb43029ceb5c63fa8135761e06a0aa8cbffa95d110aeee9c0bdc596804aeee1c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}