{
  "manageEntity": {
    "action": "Save",
    "entityId": "1159605644",
    "entityType": "Track",
    "nonce": "0x34c779f72d4592444c090a835bdb794f92abd8259d087526a2da62aa4786656d",
    "signature": "0x526a48d5184bfdf382086d5bdf46decc192ac6531ecb31f677fc287fad87ffc31685659dedeb8d72ad52e39d8d1e220b66c2d5e9e6c87787185ad4f7b91609f41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}