{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x429c67b38f9a48901a286523c49f563b3c0c73914d6b5b6de5fb65766b021280",
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}