{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2b3eb9efe6a7ffe69feb40e3e56554670ce18ab81158e81d18f47e8399fa6128",
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}