{
  "manageEntity": {
    "action": "Repost",
    "entityId": "539074921",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4a1e33a9ce9094b8f79c16eb47e4db598273d05568cf3e2c5a9aade1ccc1b2a1",
    "signature": "0x5fc57323d9861b4babf1f6e0f7fd7b22060b6656c9cda9bfdcdc0faf958faa3c29a9f726cefd34d71508c2a7f63d3515a359ae3ceaa31d7d12f3a19fcdc8d0131c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}