{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951605,-0.307322,0.000000,0.000000,0.170616,-0.528303,0.831737,0.000000,-0.255080,0.789841,0.557751,0.000000,-1628632.836274,5042965.177603,3537281.706451,1],    "boundingVolume": {    "region": [1.883169,0.591666,1.883180,0.591681,0.000000,7.847810]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/40/42.b3dm"}}}