{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228434",
    "entityType": "User",
    "nonce": "0xc736e540613c80ae782257b61e61dd04d5079bae63ed8a5a78df61da589e5cf5",
    "signature": "0x65a2cc96e354a33888ab9e070d861f59e8e7af0ad13e4b64a636234d3b07f060283ab7900dc19ab14731724787ef1dd4a3635bbc7d73b322bc7a406637c9b0ee1b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}