Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwD7Uqz5NK3GItuLS8WRJrMd1/LOCI7v9S6DH7FlNIp4wH7eukxwTjDkZ/yG… (844 chars)"
  }
}