Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBdb7oSSu85r3pzNPUPJfrXvMWj1O5Rk6zhPo4en0AGBmJrGpFn3zVjGf3H… (1,748 chars)"
  }
}