EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_mint","data":[{"owner_id":"c39f726e0e766413fe73a2c039bfb832d6ff3cdfbc5e33131777ade84bbcf8b0","token_ids":["495362:5217"],"memo":"{\"price\":\"0\"}"}]}