Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAyRG0Uc1XY0bKxlhh0UnDBETD17MK3a3qLP0xnS+OLHwGgQF44VPYC7GqY… (844 chars)"
  }
}