{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x134bca563d286f3734b70a2322153e901a99f5533e31ff97d8a6d8001989203f",
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}