{
  "manageEntity": {
    "action": "Save",
    "entityId": "2036024262",
    "entityType": "Track",
    "nonce": "0x4bb84eee42f36f658e48088a4c3c9e37d652d889a373d8d733ca0b52b7531123",
    "signature": "0x887ffedc6d0e232a0593a55eef9c726cffa5e624b40962083d7080d648455f8436e0b53ddffef5687dbc7007e4d9d52e6d5d250227106b5f45ecd2df1532ebad1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}