{
  "manageEntity": {
    "action": "Create",
    "entityId": "1208825216",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"duration\":294,\"genre\":\"Electronic\",\"is_unlisted\":true,\"orig_file_cid\":\"baeaaaiqsebikfjygbago4skcxpqrjecmbrpbwsmd3bhylyn7ouxxrv5ognmlm\",\"owner_id\":319129,\"title\":\"B\",\"track_cid\":\"baeaaaiqsec4cojyijfcvla7ttw356z35yeoia6kb7ipdz3fsujsxjadprldf6\"}}",
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}