Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH59+8+rZD/8wh6Eig9/Hu4Z9fP4J7m9Oilwdcsd9tcpWuQ2vnNdcedZ/q4… (844 chars)"
  }
}