{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9973cd62395feba1e09d4e0d83a730e56f622d49862bd455956e5c5422723169",
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}