Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDn4mOCUMPQ7XsI1anDQ0Y8YnXXTxrd7WTAfjgZTZmfvjGMfTf4cZrjvm2H… (844 chars)"
  }
}