Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAHiBhfp5zfuVx4CJjXSmJA+DcSOzLrqO2PfBiLZk4raR+rsjXfko9QU8zq… (1,748 chars)"
  }
}