{
  "manageEntity": {
    "action": "Update",
    "entityId": "382425628",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"owner_id\":42634173,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"stream_conditions\":null,\"download_conditions\":null,\"track_cid\":\"\",\"preview_cid\":\"\",\"orig_file_cid\":\"\",\"is_downloadable\":true,\"ddex_app\":\"\"}}",
    "nonce": "0x3a9217cf0c2e46431c03976f389d32f7bcf2c685605828defe0f6926cc1e5222",
    "signature": "0x773e053affa41c2ae2dd68444fae257f9edd03f4b055b2575d448f82b9248c3216001204a95cf3310dc435c22774182f88739d231097d18b6741ddf559a0ee531b",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}