{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x419b184b6fc67cf9b225c0d8e37e0e8f0eb0640c0ae64b80539fb179b1d0a3e9",
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}