{
  "manageEntity": {
    "action": "Save",
    "entityId": "36070",
    "entityType": "Track",
    "nonce": "0xb184db168a176792c3777c514cb833d9724a8465310c8a62cbaa6c6cb5b3f7df",
    "signature": "0x87e7665680f785ddd8d392309d5ee31b84a530a6c37b7f3037eeb6480c9df7305540f09f727c59750a6555ab25a4a1752baad1acf8ca2877524c03a351df87d51b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}