{
  "manageEntity": {
    "action": "Save",
    "entityId": "1643521348",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x911ecf3acec7f3b8e891adbd5793409ceed88dc2f1ce3242da810d07863215a6",
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}