Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCnYb5+Tsdg4v2K7a+mGbQ+1DqXY0e2FnvHim5qyL1qUT6m6DiGJOsYBYNz… (844 chars)"
  }
}