Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBx18bkSyO1s6joJONRxHI2XNSzH7c6Tuj2aPoV4+71E3r7mhCo5Hhh29OL… (844 chars)"
  }
}