Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFKI2F6azkl3Tgv8f11rZaTN1bYo6RpABsGB9FQq5EOVF/2oD+ezuMiCTOe… (844 chars)"
  }
}