Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGjy2Vwc6/LAHq/CP2YQ2yXcfhmk5zU2q+v7gKLDos8eAA3TP7Xoaj62m1o… (844 chars)"
  }
}