{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950646,-0.310276,0.000000,0.000000,0.172910,-0.529773,0.830327,0.000000,-0.257091,0.787695,0.559858,0.000000,-1641487.134606,5029303.775133,3550674.349537,1],    "boundingVolume": {    "region": [1.886189,0.594142,1.886371,0.594288,0.000000,8.411913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/8_1375929.b3dm"}}}