{
  "manageEntity": {
    "action": "Delete",
    "entityId": "848609209",
    "entityType": "Track",
    "nonce": "0x56820797902660a8c1509a63226d8e17f7ea72eab9cf00d0f34a37b528cb3317",
    "signature": "0x7057da547f54b78ec31f77d281ac9c5d06ee54efa442023bac98fa4dffd5215c3edab18bb43e740688deb2f01c1b6ed75536e814515ee43aa6a232abfe1505c31c",
    "signer": "0xb72e8a3DA14D2C1755c1F80FFdC075DB6260c697",
    "userId": "712229975"
  }
}