Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAM9lpiUOSs8AEdoYZYPTRi2Gm4yzQq/GI+0L4nyEN3SF9+i8+GlI5n8Hf9… (844 chars)"
  }
}