{
  "manageEntity": {
    "action": "Download",
    "entityId": "1729162069",
    "entityType": "Track",
    "nonce": "0x6a25951fad975ccba56dd6f3a3b9541c790bebbea6d0cb7c8b7d842802bab2e1",
    "signature": "0x99c2ff8d211acfb50d16645e74919ef1e60501f7a2773fc9d34de32d1475bfb35f4186f58f6615014dc4fa925736a3df31b1c48d06c76fbfe2f33ff14a04745b1c",
    "signer": "0x6d5F0ab3834a969A58d2cd4961d64d0E609D0ecA",
    "userId": "219883"
  }
}