{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x58683ddfa6f7b7bb21d314950b407c533f6d2062dae1d9bee53835f87c8c9d8f",
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}