{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1199556457",
    "entityType": "Track",
    "nonce": "0x586fbabbc64ae382e4683f00c2d1c3539575ef79d78e23cf14fd0a4fabe50961",
    "signature": "0x01acfb3010e023e0f3fc05c5d400eb10ce981c2bbc309e948d1bf118703499255bfc64b28bec0405ac3988ba246467622ae008cf1df390056cdd28fed5fb96d21c",
    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}