Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB1dY+uDL1X8ZiM21qxzLhBCaxXNpu05iuB8W1+dCrwflaKPBPykW/TcbzO… (1,748 chars)"
  }
}