Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHt1bF3Z4cFKX3kwvW9Ymbk4hKHJyru8vEgfBvx3Ymncji5QDypdPNQ9k4p… (844 chars)"
  }
}