{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2f367369ad0d6fbb1f1a8532b6162d64d2e406204e5d64fef56c287532901774",
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}