{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950693,-0.310133,0.000000,0.000000,0.172975,-0.530244,0.830013,0.000000,-0.256874,0.787433,0.560326,0.000000,-1640103.525731,5027640.892086,3553647.414724,1],    "boundingVolume": {    "region": [1.886038,0.594706,1.886220,0.594852,0.000000,8.526979]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1375456.b3dm"}}}