{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x77547903e4f7f8f65ea2379b748191f16fb88e9bb9ebf13408c76bdc321206d4",
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}