{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2f7b35132fb43b5d31ba5ed32b35a746843090f2b2654dba5b5b52f80de55226",
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}