{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x335e0ac6def1bac736a6e734d1d8f63a5e84c4b2c1bb3f8124cef4ab650ff5db",
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}