{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9860131984d7a40cd6abc5188a67261f448129be66af3a64b0246b1e94935910",
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}