{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1563986377",
    "entityType": "Track",
    "nonce": "0x863108117d3f742cf4bad85a66ae9f275e769205effae5e95bc1a2d68223c46c",
    "signature": "0x5eeea247fef7f79ac6ea8c0c0277799370f81dd30184b8e4db182825425971a04834a2f0edde09b9da42f3e56814fb8591101c20bb3dfd1267604d168ea88e2f1c",
    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}