{
  "manageEntity": {
    "action": "Save",
    "entityId": "1032254268",
    "entityType": "Track",
    "nonce": "0xa467340c2539213b20acb152f227f5b2c6e83f256ec5d55a7d1e79a9220f3f22",
    "signature": "0x184fc588caf450c6a6130d9935cf72ae0aaf705a43ea40d15c16c38958ec8eae46db73ae5d849ed375cdcc9187f2428af13799b398b49426d5e7f2277c051c0f1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}