Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAOTdWX1t+W7iwLfrUiYzT+8bSGyMBPGu7lnzhv4zJ+lxCFtODCA/k83lG0… (1,748 chars)"
  }
}