Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE7dQG6TecHw5J/VE4sWd2GdTCdJ9Hfkzln56j/N+pTIi7iBva3823gP7n5… (844 chars)"
  }
}