{
  "manageEntity": {
    "action": "Save",
    "entityId": "97208226",
    "entityType": "Track",
    "nonce": "0x77fc694dfacc48cfeaddd4815c58c277f8b12d7e14777190767691f4a04063ca",
    "signature": "0xd46d30edd5953ec211efc9f9f4cf882d3a4fb0c9b3234254df9ed8b25379ef53692a58f619d47870dcf8e61a306bbf660e60d5437fe961a1447ab87ec65d3ffc1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}