{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949768,-0.312955,0.000000,0.000000,0.115291,-0.349888,0.929670,0.000000,-0.290679,0.882161,0.370536,0.000000,-1854840.677015,5629133.969948,2348589.829224,1],    "boundingVolume": {    "region": [1.889030,0.379496,1.889169,0.379677,0.000000,6.172111]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_5657.b3dm"}}}