{
"manageEntity": {
"action": "Save",
"entityId": "1035705566",
"entityType": "Track",
"nonce": "0x2d339d07a3be0c3ce1fc2a6d3fdd53fa2fa885638e1a19f7962a4db5716f8384",
"signature": "0x9bfd69b49ff81aea075f9527bf88692b675279882e71c1f4cbf581bfe52df26020bfba0a672c5c2d30adbccdfa06f5d0e6fd6ddec316cfd67c30ac31b5800ee11c",
"signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
"userId": "528688046"
}
}