Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHa1k+yUZrRWr+ubSswaKVLnHCVCz9hzrpPiTO5NXLLWyLu/Dtdmtm39Iq9… (1,748 chars)"
  }
}