{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1223901145",
    "entityType": "Track",
    "nonce": "0xbbe960570a8ff92653ed7ee3f8264eb1c27dbe3335f71826a3f9ce4b4202ee0c",
    "signature": "0xb632314a4bbe5283b6bffad547dadcbfefc79e77d2453ef6aa1e11eb9dd495f4406a8c26f308abb2aab0921460b8c613a14f9ee43540266123afa1270a64967f1c",
    "signer": "0xc3E1A1F6d24cB1f128e405594711717CaaA95FB2",
    "userId": "494935131"
  }
}