{
"manageEntity": {
"action": "Save",
"entityId": "923936082",
"entityType": "Track",
"nonce": "0xac3daaef8d073fd32d3794a1a3f4bdf4977b9e6feb88dd9bfaf3b14dacdcb32d",
"signature": "0x9939bbea64f6beb06ea942f9915c7faec2b15d604bdc5a78348f7f3ed45f507a114155e9de23a48f4ed128c07d536975f3fc07987114317e4d54797f50c738e41b",
"signer": "0xD967b68365738013c9197659aAb46EB73a488080",
"userId": "488430169"
}
}