{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x25368470f5cd942b22d6e3b226eeb2f36a37a621ca7ed3518a76615c8bbaa7c4",
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}