{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5a6f2473dd802fa177a08e169ce25b62ee9080acedf8afed856d4cfebe6ad2ef",
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}