Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAI/lRfQd2OPXzxWV+itHWwp5Ht8uK7p55KHsi9A1+AM2S7Ox2laUg3I4OJ… (844 chars)"
  }
}