{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1930256601",
    "entityType": "Track",
    "nonce": "0x4f2b4006387836638d23210473dc394bc7d5cf6444f6a169247ca053f3fa642f",
    "signature": "0x7b30a19452b213619b470da3f8220ddd994140292c8553ef8862a5ac23c47f816f74e960d821c7095740f756ee30564dcf66808cccc3c10d00eb6b9d5d27e8c01c",
    "signer": "0xdec63a335044C1b6E3F26B8aCF5334a973E79e00",
    "userId": "178077512"
  }
}