{
  "manageEntity": {
    "action": "Save",
    "entityId": "95435",
    "entityType": "Track",
    "nonce": "0x78cc12406ab7d83d7f536e16cfef29ad436937d5ad6799afd5b9993567e6bc08",
    "signature": "0x631bf03d061e1afd459143e98a819b2f059392d14574092245a0e6cdaf3e127b378ba7072435e1efc40d9590447834686254196f86a913d3ac1aa9123368634a1b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}