{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5e1fa23eb7c2623f62ced3c60db35645558ac0f4a97f06215b68a1b5368af944",
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}