Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBT6pXJkGvKGb3hpYM89NtEcP0g0Gl/+DtitXMyJ2q5Qy9GgRVHw5HDx7hE… (844 chars)"
  }
}