{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1373899437",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x87af771fee9783ccf5a639191acdefe27da18c2e3ecf9cedb8a01ac378d14176",
    "signature": "0x468a26b835376dde1b20d681e05bd896c425d120d57397d67ecf316d55a6246162046991aea68e8189f1a2a2cff61e62e33566145e3e7a2ec6126e06677c1f511c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}