{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1944410435",
    "entityType": "Track",
    "nonce": "0x1874305a5f3f5a84b225a5b15f7c1db908e4e6451f53f185603c0d3fb1091fc8",
    "signature": "0xf190c99623120a50d9021f67b2d3ea569d47152e2457dc64cb704060c6ac3e81428a571d1e8ab36a0cddd07e144c7cea581f898107a87d25641087521b109e801c",
    "signer": "0xdec63a335044C1b6E3F26B8aCF5334a973E79e00",
    "userId": "178077512"
  }
}