{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1492412873",
    "entityType": "Track",
    "nonce": "0x204bb68c223e92fd272e8a70bb235c42cc9b18df71c43fe492c8f4674f0d447d",
    "signature": "0x9762e574afb938647962f2c5dc06ec102560d89344e031d646da6b6ea53aac3e34b8afe6d2f07a95e92026f0b8108441fa3d1809b9ed62d8d072a91257d4c7e81c",
    "signer": "0xD9C68483237dBA189b160DD895281f7E397Ba902",
    "userId": "150682"
  }
}