Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBO3u8ww1Q54fk9saMSHUwaAiJXiALrKoUh18Xv+ZPMN1zcDGv9rK0P4hy2… (844 chars)"
  }
}