{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xebefce8b0867a76d5048087d328a2b46772eb0228af4a49c0f67ca105cb87d12",
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}