Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG71ULTVOUskgLggWYtWQ8nk3oAf1RTNL1cF/xNR7DEoCBtj/LwPBcbHIq9… (844 chars)"
  }
}