{
  "manageEntity": {
    "action": "Save",
    "entityId": "947961351",
    "entityType": "Track",
    "nonce": "0xd0dafbe25ecf0b901673ce3781fc5ed490248453f2d2fc1e626db4e3ab9acfde",
    "signature": "0x814e2ae9e0322398f82c231af280b13697a5f912b6a1be0a0fd7c02b6d8e5b5c4e36eb700dc0294a12e5d343bd29406ece4bef2ca0a6e1a907cc499c418e09a51b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}