{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1216859920",
    "entityType": "Track",
    "nonce": "0xf59886e85e234609900613d5240d061069a866cd0e6438b4b9557d106036920c",
    "signature": "0x5de82c4d20c26fabbb103d316a35e7d68a2525670f66638662e00c3ab9962928690407b8a9aac5b7f860a2de1b46dc2cdbc1bf3d8f39363c7db3d17fa632141e1c",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}