Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAmQqem9NrdMdi4pjiIeTV+Ypzfpnw3skBd+3Qd8cB9NnLAe93dTy8slfBb… (1,748 chars)"
  }
}