{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0ae367dfe5ed6833dd0536d0057706d3274f8c69a55abacedc9511423a6c8c72",
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}