{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1213702925",
    "entityType": "Track",
    "nonce": "0xbd17f14d6b5ee2567b2029f64852815054367f023a7f403a78ac047e7e046d89",
    "signature": "0xf82d5a7953b7fac7ddf0ba0004390852907be7bc3e38923151f4647fa5f1d065628910ad71d2afc20bcfc7faafa84059ccfb502d6cbdd8a19b833d25e6120c161b",
    "signer": "0xddd857d1C30d7daA440677DFfdfB982c2013E513",
    "userId": "916942654"
  }
}