{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb48b1d578ba21c4f880d9a3e44ce4dde4a2267b5c49c55864c19c5f650ed0d66",
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}