{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1455433811",
    "entityType": "Track",
    "nonce": "0xf010b2b3632643bfd24c5ad3fd7c5324ddcf0c3a5f7c89e9ce94372dcfddcabd",
    "signature": "0x793ed5196b422189c9f907d9706116f8a9297c7e58a4ac02f093064c80146cad7fd71dd6e0dd009f57c1f3110c24e6267ab2e10af34ad9f2ff0944f2a9ca2af81b",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}