{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499380523",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x71d444c3d4fa3ed8658d0ecb54de6d2beec6f18c1e4b1ef89f1789932d7a4611",
    "signature": "0x1de308c2c10b6f6d5099c50991b4fc60983ed36cdd26142b6325c1e72ed95a920e493b59c28e484cb085af9adb07cb2e1e939ec52c65c81188497a7ff40fb2511c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}