{
  "manageEntity": {
    "action": "Save",
    "entityId": "322161",
    "entityType": "Track",
    "nonce": "0xbdf58362a2c6fe97b1a8f016b391dd357ec772bfb5df51fca0223a136bc16db0",
    "signature": "0x35c7287ded5e25daa7956eca7bb24e4b9679c2871d782a7f685dc96ba819c36337567c1607eddf42dbf741917a3d12c3add1d617ee6d39acfd22c3ab9049ee201c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}