{
  "manageEntity": {
    "action": "Repost",
    "entityId": "583925465",
    "entityType": "Track",
    "nonce": "1788584586921988123",
    "signature": "0x6809736f6641f70bb63d671307eb0baac67a66b9b7d5afcf3cbd046c085c481c7c001469281e53e1bdd67b5f844eaf8a7c7ba00df3a42826c61db9e5c41800931c",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}