{
  "manageEntity": {
    "action": "Delete",
    "entityId": "420782041",
    "entityType": "Track",
    "nonce": "0xe4f6d27995d0fe232eb06c81eeaf4f9511fa95395fec83b8f5f4d78a17a65656",
    "signature": "0x88f4d9ae5a19bae09c96d8fa3b2aaf617e0fe57a7814339d181e2fffcb29a1c64e8c2dc03ce31464f4adb37e0ab075cedc75cdb8492cb6ce8722d63d7e3076ec1b",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}