{
"manageEntity": {
"action": "Unsave",
"entityId": "240308",
"entityType": "Track",
"nonce": "0xbd74e85a08c51f0238a87b89a0fcab46ce31a2b168ca29cd785adb1f27908c42",
"signature": "0x8dd1a674e917fce7dc72a5cf20f822e6c41ffe442a229c03e9ffff01303f860325931889012d8bab11167442f3f85d1a992a4d312ff86f07d07598cbc6b76e5f1c",
"signer": "0x960d5922edd91F164Aa365ed5EcBB02F1F3BE0E8",
"userId": "598622069"
}
}