Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGObjGFkj8e7Dv89dSPaouTiOiR7NcGvyxs0PQbb4pWGToYUGu8+gm99BoB… (844 chars)"
  }
}