Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGHHqeTTL98hJQExT1+r0qZUVUlXiFhkHaS+KYBrG+Xcwzftr0Ut6GGVBrx… (844 chars)"
  }
}