Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBbGjjMc1H/wL2bFuD97KitygwXSL5kJDgzJ1E0n/lNBR8j8iQiBVkMxSsB… (844 chars)"
  }
}