{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc22b19c2371c368fa5e696a79b8eacec16d84f8661361cf43c3132cc55b03a1",
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}