{
  "manageEntity": {
    "action": "Save",
    "entityId": "797892790",
    "entityType": "Track",
    "nonce": "0xf3662ed1792741a7bd50351b02068f8e344186cd5d2d4fb18c389bf7643c5279",
    "signature": "0xa2e65ca7c3a2b19cb744a17e59826e8705ca3dc24b6254b5a813a10a77125f6d0214926d936ca28e99085baab50658f38e62886ab1e13cf6da0bab62f250238f1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}