Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQK+NTG3BpKt3dM3J3KNRm/zEcpMVeejYsZFO3LGm0n4TTune5tK6m8AD8F+… (1,748 chars)"
  }
}