{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc3b8664bacad47c8e9744b410c6b67744cb588b41da378d3a94460d6def0725a",
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}