{
  "manageEntity": {
    "action": "Delete",
    "entityId": "57963399",
    "entityType": "Track",
    "nonce": "0x81b40fdd43dad9e113792a75848474ce4a03e7f7e9dcaf5a58b3342f68393d3d",
    "signature": "0xbf1152739399c8a6b96473317a2fc8540b2151a9346902580cc700bdaa1d1b7b2d84cccbe183cfe4abc0112f01b6750dd737aa14790e9e09bf17250aca4aa8051b",
    "signer": "0x9152687Dc451F79C5722e6869B7266819895b279",
    "userId": "500693164"
  }
}