Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAMZt6z9oS1zKFipZ0DTIR0dLMZ2jv3uMAUHa4WrW9c8BO4NkY9bRdMI9GX… (844 chars)"
  }
}