{
  "manageEntity": {
    "action": "Save",
    "entityId": "1076593",
    "entityType": "Track",
    "nonce": "0x6165dadb94d26fb5921d7dbcc7f6079c2cd6bf237b0e6db2d1afc877e5362461",
    "signature": "0xa043b2060f4f6ce47ee4e1e239dc808fc16abdc6fde44126351d7151cfeeda2803ecf86f7dbc943568eb00c49d4cea1ddd33d995f65b523ab65ac67c7819baa01c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}