{
  "manageEntity": {
    "action": "Delete",
    "entityId": "391551430",
    "entityType": "Track",
    "nonce": "0x66a80d79e14162573a54dc4b778a2b0b256a13a2c28f7a5cd37cbfa4911dc15a",
    "signature": "0x90075a9648d45069de8772bc6437c9a3910abda1dde4dfadfe057eb8732f17e8159b8b93e9642078aec39c0929e17b8c874cc12c27ccd87e3f29df5aa0f23b8e1c",
    "signer": "0x3e4953461b6671604B2E8fcD0BdB628DF4C16609",
    "userId": "167051786"
  }
}