{
  "manageEntity": {
    "action": "Delete",
    "entityId": "379910172",
    "entityType": "Track",
    "nonce": "1787651173206510646",
    "signature": "0x70c01ba89b562f75d6c686f6dc4c0d491930997698d79a1db2d06ae128f293b563460e0f7e33519debf9b463aa0caeea72f52cf1af915d9754bbe2d0082ca9ce1c",
    "signer": "0xeaB6b479B33FEc6303065aeab4C0b6D344f091C6",
    "userId": "1421026"
  }
}