{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895025,-0.446016,0.000000,0.000000,0.284313,-0.570534,0.770492,0.000000,-0.342711,0.687722,0.639990,0.000000,-2188862.706385,4392411.113042,4060189.003664,1],    "boundingVolume": {    "region": [2.033039,0.694423,2.033172,0.694548,0.000000,29.774752]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_978501.b3dm"}}}