Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFvj0p35xXUoaw7dnLK++4Cr5VvE4RJXH7tA1N0hXn+nmJqOqg2/2YzQjyd… (844 chars)"
  }
}