{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8de2ebdac87b3dcfbeb19d3171b3340e49b3761a520391215c4a8c70f0fb0053",
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}