{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x05cf7359ba8adccea886d9110cfec07cd84902d7e6a5e0988b9e251710d78972",
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}