{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd14058ecf06cfc23e6f67d11253f3a0d2a5c4ee2c00a39223ede68432a255151",
    "signature": "0xf0dd29a26f72b8362d1c4296769f2168e57dd48912c256ebe8b99a0bbfbff4381decbef99830c51f3d102d50055c777b2a4ad32fbc26f1375b9f74def0e964601c",
    "signer": "0xdDa4a5604f6aaA44Ad068c74cB0d23f1b7022E4A",
    "userId": "322923319"
  }
}