Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHrWfjTJc1wbQOpDdTdVgeu1cuNV4M45F/Ezd4Qr8oH3ytrZ3X3sSHt4VXv… (844 chars)"
  }
}