{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949082,-0.315030,0.000000,0.000000,0.176091,-0.530506,0.829189,0.000000,-0.260669,0.785311,0.561550,0.000000,-1664340.260430,5014116.341515,3561426.435376,1],    "boundingVolume": {    "region": [1.891216,0.596205,1.891353,0.596311,0.000000,8.649238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1372923.b3dm"}}}