{
  "manageEntity": {
    "action": "Delete",
    "entityId": "250543",
    "entityType": "Track",
    "nonce": "0x0ce4365d37c8b7d858c9312a1ad376cdf5f5410d623c41433cb571cb86e75636",
    "signature": "0x93b44ff58a7cf9cb3da1a20235ece3b9c615cf55949d66ce3057a776013ba49d2320541d06f0221c9e5e14ff551774ebe549f9f18a9de8a228fe3e29b86863e51c",
    "signer": "0xfEf71DA96b2A873D3fFA10091881F607a11Fadcc",
    "userId": "94805"
  }
}