{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1538799200",
    "entityType": "Track",
    "nonce": "0x937d00d295c0c7b55b80303435ed9614a3b41fc8b98649e6717502aea657b6bf",
    "signature": "0x56719ad693d55b19a99f08fc811a8cc3b535be90f955a3d4aa103832489205cc3a77cb54e241107de192267bfea5b9c5da0c359e0f0d04fc964b3d88a73192ab1b",
    "signer": "0xdec63a335044C1b6E3F26B8aCF5334a973E79e00",
    "userId": "178077512"
  }
}