Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEXH4rB/qbzYbm9Kv9yUGXCGPR9ynfVoQqFGD8Yqy5D1iba2NipSBnVJR/x… (844 chars)"
  }
}