{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8d7cab89a4415c68a84b28a7369297bfef0e1444aefa979c48d025e77d8dcd6a",
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}