{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa587e837ead49b128e97d31c71d685a4c2664925170bed18292b23f1a691e0a5",
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}