Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFsgtrPpUVVE3+K1KCUxdtxR4H5xVmJ7MwUxKHBxUpc8V2k74YpHdiIZPWJ… (844 chars)"
  }
}