{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0c77d9ee47484cf83c647d8965567103c734f7f1967b4688a6f5e7090f5d2264",
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}