Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHeXLVP4801G9QI/Qy+7Mg67hN8+NdTehqzFvdhATSNghuDEy9O4Gx9PeFV… (1,748 chars)"
  }
}