{
"manageEntity": {
"action": "Save",
"entityId": "2034580808",
"entityType": "Track",
"nonce": "0xa9747c098c9ad03d533235980b60bcfc8321b0756730ca947c55f85afa58b7f4",
"signature": "0x0c1f5113de7c11602f923ae43627872cc727185953a73d1243da0e32cd58efae4a2857f187cfa57cf46691b367d22faa6d1fe56dfd8aef33dd963393420c29db1b",
"signer": "0x9Ebaa539cfe874f2a12f954d5f135d41C75Eac9A",
"userId": "872121325"
}
}