{
  "manageEntity": {
    "action": "Save",
    "entityId": "799902817",
    "entityType": "Track",
    "nonce": "0xf26f6c0d9ef1a1812c396b62dab9159927d4ff5c0a3280da9cf3a49b24fe33f4",
    "signature": "0x533a464b165a1d30ba1634620ceb42d92bdb8db3d6e302f377932c554722088332ed3e9edf1148bf0664644702268026919a34235d1fdce0eaf83f124c8cd96f1c",
    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}