Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCAX3Vi/PVkw/afEzyfMzKlKDeLkm5b5vNvb5CJb9j2nH7vUJbpHLQ8b6kO… (844 chars)"
  }
}