Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF8+G/b8ymtAYXWdDi4hQ/l+YfCfPJwzD3RottB8QlP+1Bqaxl7QfLo+5WC… (844 chars)"
  }
}