Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHcuLcpnyW/Uf4MWY1Xz8mYRzq0y+hSlhp0/AbkwvECXAtnNMDQxdzHnNh8… (844 chars)"
  }
}