{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc6b742f0fa512b569087b25dc07531a7d4f7dd7025097bbccc1dd4e140d97797",
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}