{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489021474",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x450fb6fd31b16e04061b86f63caf957657ba8c4dd9420689675ea6bec55d07c0",
    "signature": "0x5e85890291c8d90e98e3bbfee768787f454cfb473ae1609cc0a74a81b74856e8268004441fee71561b64b4d6caa6e16985d1fbc5ca5040e3b3265a4c7cb13f1f1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}