{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2c1db55b6190ab8355eebdc4aa6c3c452cc478ccb17e0445d534fe422d21123f",
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}