{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503826599",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8381bf223ce3601ee77aa05ae2ad3e6fb35c28cfb741105f69ebd26828b7666d",
    "signature": "0x1ddbb926200a80f3a980ba039025f7e083771f0dbb0807879b483d4529ca19a80de8223f22ddd83e863d315bc73c285e047c19609167b9be7e6ff86bc4326fa81c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}