{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf3df890f99c4d4336b42f3221e7f294582ab490c92bfc8891104255f6485c262",
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}