Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDdCXA2gK2V0mlC+TMR5U7m/o/o2pCsKk0hYXiJvzCWQWuw6lcfJtPkRdx7… (844 chars)"
  }
}