{
  "manageEntity": {
    "action": "Delete",
    "entityId": "346373",
    "entityType": "Track",
    "nonce": "0x8a5617e702fa827844b358658617ac648f933bf8ada34b2e5b8e7b3bfdad7440",
    "signature": "0xd3c000735f29c6835d8e4d6dd96aba8c7d877a93155b51fe2bd103287529a01e63f399574569e7c5b17088f28d3df577584f3caae60bf6d702211c64d4174aac1c",
    "signer": "0x22cD55ce2AB44535d17f92BDb6237E4863D5E1fb",
    "userId": "145166"
  }
}