{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbe2e227411fdd673f6bbea7dcaf4d73aed7d46223236ed8b321cd75a5edb6f34",
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}