{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf86e876c270ce7542674c4cc5f7f314583ed972cd45c9e6081b84697788628c2",
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}