{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7d363a058239f3be23957c438ad378a9c8508ebdfa1d189ae25f0ce0775fcead",
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}