Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC60P5E+GW+lMKWNn2UOIhHgf7gb9kKN9XAJBUjjMuERl6F16vPrZ1Lb6iZ… (1,748 chars)"
  }
}