Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCf2HJfO365/+lfP8p5zwdscK0zwyQp8IiDI3wlsP6xFCwDkPo8Lzpumj6H… (844 chars)"
  }
}