{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe9269a6236b71f9e7bdb20b9e807d85d38cc5143cfb6b7ea23497b9ae1f1f932",
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}