{
  "manageEntity": {
    "action": "Save",
    "entityId": "1932601362",
    "entityType": "Track",
    "nonce": "0x08318c81bc077097c0aeaf9cd190bca2dc613bdca975d122e405dcd1ce0e5614",
    "signature": "0x1966039fd85c4c11443bcfa8808b82607ab14ebb862c5222e7dff8f3a7e812a82267da70955930edfefd80d03e0c493abe03b22dc0faf1491b502f0fffa5195c1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}