{
  "manageEntity": {
    "action": "Repost",
    "entityId": "854211",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4756fd5eee8874c0e9c1be7c2d56b4cfff368e3932921c969b272f83b2af0ce0",
    "signature": "0xeb4bc90373a71d330edf391bc7a0cc1aaf46733ebda52066b52fba2dc38d9bf134efa6c43be94a7ac0ccd865004557c44c159264220d50e0448fb30ba78557491c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}