Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDH3OJkdF1qYTNh8EHTqM1B+kZTjbQrVG2bFi6dI+L+9yyyImkjUV1hayeR… (844 chars)"
  }
}