Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGjQTsn2eV9LlH8h76Fzb3Q3fKgdOX5i5iLiQIenHzWhgVshvTV2lK84Ps+… (844 chars)"
  }
}