Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEhaQJJ5i/9Dd80WYuiIQjG8wWf2waN0Hy9PWmx5kNDX0br6OQTe/W4jWQJ… (844 chars)"
  }
}