Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFYPaGsBi1zZzeFD2AQs+VC7Xvzu6QdG1L3CcMXS6eB4z6g4bmyPRxeBU4f… (844 chars)"
  }
}