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EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_mint","data":[{"owner_id":"bomond.near","token_ids":["504"]}]}
EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"bomond.near","new_owner_id":"0000000000000000000000000000000000000000000000000000000000000000","token_ids":["504"],"memo":"burn token: 504"}]}