{
  "manageEntity": {
    "action": "Save",
    "entityId": "1060808987",
    "entityType": "Track",
    "nonce": "0x9e5cf679fff84fcd3de60eaca8643f5bbceefff15ce8cff1181062ce773df5ed",
    "signature": "0xdec71af34f2cfa6bfa57b9b9096f0232d0a39b112088fbf4643530e5429a64093ba0286e24812639c63a6c7a2d87ccb81c6149d078a27cf8fbff6d3668e065351b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}