Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBvU6PHmv3vErNi5k7SI+58yz/u9kds+U0e4T8MoMsBDgb/3lZEBmoHyA0x… (1,748 chars)"
  }
}