Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwESS7OoQqwq0gQv6EeIu55UhIjmRZStd6sJUkkfL9H95Wh7Kck7t+KhCDLB… (844 chars)"
  }
}