{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x105d187b16175afb366a2dbe3ab71039d975fb4c36b80390d62d4b41a402cbb0",
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}