{
  "manageEntity": {
    "action": "Delete",
    "entityId": "436602",
    "entityType": "Track",
    "nonce": "0x6c97b1383dce6e845d186c367880fa48fb9a30e137ea1906dc52907df190e93d",
    "signature": "0x81b5888d9fb3f904f7278c102e18bd3d12175f90708285585ec74ece1e7807df10a7c64aead391fe20bd0fa80b27cd6e831b36623fe1d24e0b7e875c7c5f3da11b",
    "signer": "0x6cdE89EAd7f7990A896BF7997332502F90C9D6F3",
    "userId": "189739"
  }
}