{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7178e304ac2ad8c121be646012b6b784796d13e4b91f446dc26d00278d6dec4c",
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}