{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944015,-0.329902,0.000000,0.000000,0.184422,-0.527724,0.829154,0.000000,-0.272963,0.781085,0.561603,0.000000,-1742836.381383,4987133.172517,3561763.234972,1],    "boundingVolume": {    "region": [1.906948,0.596264,1.907044,0.596379,0.000000,8.722872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1254849.b3dm"}}}