Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHsVZHi/zGxXm6VBDpA5+chLW2ltIVZP14B3w+dwKGvDWq0e8MhPdGG4Sz0… (844 chars)"
  }
}