{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0f277d0dda26ea377ae0a04820e8bac2c2277ba5b40f8c2bbb269a48ee00a894",
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}