{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x358a0fee0387abf1943452eac6f1d88a5d5521f78bfd5d5cbdae524b8e8413e6",
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  }
}