Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGE4AcVZm/H2Gaf7RKTJRZJmWY/4vHHybj0RpxtbSQSQCysTq1nl0GaLRbA… (844 chars)"
  }
}