{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3845b7936b16d26613139293ae0ae8d077dc76aa9cdc2a335cb3a8b9a2469842",
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}