{
  "manageEntity": {
    "action": "Delete",
    "entityId": "398323",
    "entityType": "Track",
    "nonce": "0x7be2f3e925cf8648b1c44ac0eee86facea21f814d2f032fc6d1c19b885a10db4",
    "signature": "0xc9d0d86d1c9cccb5beaefcb7301fc1d1da64b415e7d493d57686e51ea84eafca0a8da664e4e1585eb4aea4397081906af9bd91449fb7573e6f0d0fcb608110661c",
    "signer": "0x0e326C17caA7B0b31132f30174046e255f778E29",
    "userId": "148748"
  }
}