{
"manageEntity": {
"action": "Save",
"entityId": "771730296",
"entityType": "Track",
"nonce": "0xdbaf8c606e4bdd37c99a2ee1308e601f2813aa419ba58f7f88c56ba53b0f4810",
"signature": "0x6c115e03b3808d61f1f0a0c72bd9b833fb796265cea5349ea6a0b744f724ad3f2f468f5da50f187130c766faa46390e53b4a02b5c76016fd404cc4a3ff25a82c1b",
"signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
"userId": "92019297"
}
}