{
"manageEntity": {
"action": "Save",
"entityId": "53374814",
"entityType": "Track",
"nonce": "1794073025241842911",
"signature": "0x7099b67e22a879060533b5e5829186c10190f077d006b982ff438698b3d29f184c53fc311a5e5d333526d937b636dfe3923b115bf1a48f542de5c6eeef38ba7a1b",
"signer": "0xa8679ebdB26e6186F892B96AdF9C23d227aaB555",
"userId": "567542768"
}
}