{
"manageEntity": {
"action": "Save",
"entityId": "1590056152",
"entityType": "Track",
"nonce": "0xa9cd43e4632c1540602036613c936e96664177cc1b406c12745b6066e2e02274",
"signature": "0x92d633f4fa51c707f176bdb3ef9e6503fc42720e121b485fc4f38ac0d16c911a1e4a630f7466ca28d99ad836d2056a1e13f7b5abfb466c74af3ef4fddec9415a1b",
"signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
"userId": "571117272"
}
}