{
"manageEntity": {
"action": "Save",
"entityId": "1026233",
"entityType": "Track",
"nonce": "0xe8057f3a03a076a03a832a7c251e09d057f6fa96d2fb25bcb1cebe2363ef7d31",
"signature": "0x2f15855f7157cc3c3bf3e98741a8253d235162caba66d53e71d818303f71db0a29aac03c69f1f14e131720ad1965be9928a5eb70ee0461594f3e8edf5cefec6d1b",
"signer": "0x458D38A47d3400aDC637d7cf5A711660c5b5ca99",
"userId": "107750"
}
}