Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBv2WEzyF1sgRnFEJLh/pnuC0Ndgx77u1KzL1Uoi5T5Tgz6Ckzh5rXLPcS4… (844 chars)"
  }
}