{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1472731771",
    "entityType": "Track",
    "nonce": "0xaf81fc75787715039b1b6096f25c3c4bd040052859c8a11ceaccfeeda361781f",
    "signature": "0xcff4cceac932c3c6d3189663d3cfdc9eee9c7fe6ed5ea891c429e991c03220d472511172b9f92fb8ff8646ed28156271810b95354d11ec1fe6202ddf5713fd001c",
    "signer": "0xAe45Aa9d94350c6a7A8BfB66D3c1c2B51Ac488C6",
    "userId": "274010868"
  }
}