Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB+fR0tY2Cty8zvMu3ALfHM0+eld6P90VXSQ/aRD5ux5gW0lMb2yLH44E7K… (844 chars)"
  }
}