{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5b20d4a7660f3573f6fd611a9cbab98addbea3dff984eeb6f7879b86aa6e76a2",
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}