Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB3vbxg65a8oYom3g11HzWcafHQZm3YZ7Wb7ndjT9Nt5gcC/lZsyq9I6KxV… (844 chars)"
  }
}