{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7e9f5980e7abb2867d6d03d8fa8ca0a8c7945bdc387f8e2e27bffdeda986822e",
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}