{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x16ee7db86c309488c81e2622a5b8b12d1bb3ef27a056b6b472512e4d961c2ff5",
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}