Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCZvBYBjzTr9p0RHhzEY2bvFFIaU3Lz0/drmYJFZwFpCGHuEXxgrBKnrJT+… (844 chars)"
  }
}