{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe9532df9e6b38b50ce9733d801c9ddcabb6e1b8edf6dc404c1bdbce8909fa97d",
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}