Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFbHQSPUwBBBr0BsVtDjmsYF9pSR3C/XuFskDKf/xvjMR2O5AupSAB5+nlE… (844 chars)"
  }
}