{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3f1c211c6dd7d4b46a2fbb503d645381ae134889895fb548fa176c1a33b3a49d",
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}