{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898435,-0.439107,0.000000,0.000000,0.283987,-0.581051,0.762713,0.000000,-0.333970,0.683318,0.649262,0.000000,-2133116.649243,4364457.162237,4119175.343250,1],    "boundingVolume": {    "region": [2.025351,0.706576,2.025452,0.706651,0.000000,7.521840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1819360.b3dm"}}}