Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGKhysJI8dDfsInMZ3YAx1uTa6EcaXGT+e6uKQMUUlQZTuM0IxsMDwIV05M… (844 chars)"
  }
}