{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949051,-0.315123,0.000000,0.000000,0.176071,-0.530270,0.829345,0.000000,-0.260795,0.785434,0.561319,0.000000,-1665146.327139,5014896.076676,3559961.349349,1],    "boundingVolume": {    "region": [1.891314,0.595926,1.891451,0.596032,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1374011.b3dm"}}}