Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE3tk2wpgz2r5D4AbO+WwcVVTMmCdyFy/ws1lT4Ipg3EX/vHZS9U1HqmBh1… (844 chars)"
  }
}