{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871267,-0.490810,0.000000,0.000000,0.211975,-0.376291,0.901927,0.000000,-0.442117,0.784829,0.434253,0.000000,-2821664.862836,5008912.138939,2752918.901794,1],    "boundingVolume": {    "region": [2.083759,0.449168,2.083871,0.449249,0.000000,109.170094]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_227174.b3dm"}}}