{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa27f86cbe4c0a3c4bcc789c790eb582a6de1bd9d1cc7747d1084ed98538fa15e",
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}