{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898450,-0.439077,0.000000,0.000000,0.283955,-0.581036,0.762736,0.000000,-0.333957,0.683350,0.649235,0.000000,-2133032.477340,4364663.448919,4119001.523148,1],    "boundingVolume": {    "region": [2.025317,0.706540,2.025418,0.706615,0.000000,6.122216]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1819155.b3dm"}}}