Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEb+r7zmlxDD0U1YSP5SbgYCdgM+sKp7zxf9L9yEB4FeEKHFyXm6XfwVY8V… (844 chars)"
  }
}