{
"manageEntity": {
"action": "Save",
"entityId": "60348817",
"entityType": "Track",
"nonce": "1792339277376533370",
"signature": "0x5e9a313111721113a86539f526acc3a1df7a59e3b7a7538de4e01a8787c608da6601be91fee2c5d30d08537d0875c7351e82850a199fe9b458847ec3a60355481c",
"signer": "0x9B241b1a6A99d662AE67D328e091Fc94faF23fdc",
"userId": "881446128"
}
}