{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0eaf668d859b2b8c634023e7b0a8392a760f874d21fa06b8de02d38474bd10d7",
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}