Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC8AhjGqA3tlMBwJ0xVyV4O7vYHngDbE+4RIHteRPPpvGnun5LfmtBTApN/… (1,748 chars)"
  }
}