{
"manageEntity": {
"action": "Save",
"entityId": "1181813232",
"entityType": "Track",
"nonce": "0xf9726a1321d318963f0570e80a9976b7335cf67f4e7f0a92afaae15f154a615e",
"signature": "0x7b58c717bb4666f4b86e3e8a3567ef3dac2397d39317440c06cd2b22cc6dbb6d450afd679f0e37f7e6102dab506dc8b1e9dcb2ed13271417053a8a6a1a66ba5f1b",
"signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
"userId": "35918963"
}
}