{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa0562a76cfebd7a8771201d8cc4ce4845c2addf32edc80cc204f8f5a4187953b",
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}