Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCXs3vg/J3mxgSBHWEMWI3b8Z7sLR11LDpwCjrbS6gf4U7PhVUhUlWsz5+B… (844 chars)"
  }
}