Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE+OkCBi/wDFDPkZMcINb5kKH6YMH4k9xHCdXM/P6U5HEQbxdDFWQayAoXG… (844 chars)"
  }
}