{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x05bc8ba1516b4702c7a2c01c37d6d2792d38f34a648d18c82c69f280be0dbd8d",
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}