Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH0XzNAXMRthq/MAsbXsRBlZ1DU2p2mOAjPfnu8AVPLKBVnPbcczi1G/yVS… (1,748 chars)"
  }
}