Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGpyFrD0m4cHdVTXyDO6zcEjfrhCFBFGWwW/ahgFDvwU3aR5eTFdb9F/E6b… (844 chars)"
  }
}