Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCgFaRpggG3TFbCRjo+nxSHcaFO29iY5uP+YMJa0OIoTzSr0yZz4bcuEsZW… (844 chars)"
  }
}