{
  "manageEntity": {
    "action": "Save",
    "entityId": "1136034",
    "entityType": "Track",
    "nonce": "0x508533b947246ca2423d9a6468748d76cc1409f3dda334b67ed06155743dac31",
    "signature": "0x97ee28bb19744486d03ddbdb7fee41cffa5f05ac07aee04e917e11ad219e4e6917629dce57622189682cdee455061c04c36d83e9c930b928213499e5b651fd8a1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}