{
"manageEntity": {
"action": "Save",
"entityId": "1169073785",
"entityType": "Track",
"nonce": "1792646381661606943",
"signature": "0xcf5596d4b08c5b787282f9032b7d7bbc55d1f086fb2eb28c4e7a520b93ff18631f33c98fae83b18ef53fb8b18cb04ba3bc0105d4e0fb8148ca3c155c9907f7451c",
"signer": "0x6620103988B969bE5810F1B5530c1A44Fe6048A1",
"userId": "568518925"
}
}