Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFDLzDvZQ7xkbZgZ4x+reNBl0pzkHYHa31Cy+0eJ9DtK2v4xRol0+YVrvCE… (844 chars)"
  }
}