{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe87438e65adc480e7dca99a57c4f5a768d04252b53a1cfc7e917b5d7184a2fb5",
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}