{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc2354f08917323b5cc156c4609f25317a6493d85c698f22c0cb51e16d7defa8e",
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}