Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBeTLPR8TfGMu7J8Y0k2yJiEhRDKb/JJaDo4Mf0xfGHSClzKUrKg79ZDitF… (844 chars)"
  }
}