{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x673584ee9957370f546a4fba4b33b97e316c5c375c2e4a46d9085a2bd4dff9fc",
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}