{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1489144597",
    "entityType": "Track",
    "nonce": "0x633bfaeb227d9b4e06706fb315eff4a806de47c5297016aaae0c5cec22228c61",
    "signature": "0xca91a3ebacab69d88feb5f10f68f0cd4846f99ac518932c98a510428856f1a901071fc073eae779069620b0d0cc1363ce7da279d9f5cf9422a513f35ce5666eb1b",
    "signer": "0x83dc712B58ccA417250999e5f3afEBd48dBf9749",
    "userId": "962229317"
  }
}