Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAfSD8uG+YwfFPinakAhpP+oyiTy7ooVmCNxEzgiPawqxEqGBfRThWu9xGD… (1,748 chars)"
  }
}