{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1e1a5e79f50f11d43f1d767100d706c6016e604e6c4292fb3f8f0e54996020ab",
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}