{
"manageEntity": {
"action": "Save",
"entityId": "1071731985",
"entityType": "Track",
"nonce": "0x8ae0e1203bed9256b548f4479f7475a5bbdf181793b1b62342622e7d1e0ffd32",
"signature": "0xd5aa55401572039937d32ecbe634266ee200ff15849a28f45bf0917955dea3627d2c4cadffe97014c7a833eed90dfc27b45c4c13e76807dbaf22f243e28418391b",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}