Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCtqZAQMYuIpPqvS3DXadz7Ji7VXKU9BsE1d0DIECDgQU7r3OmzNvgPf5L6… (1,748 chars)"
  }
}