{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1eab42d3975478f5c94b3650dccd354e81ccaaed66a8fcc1f923c868d69c0258",
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}