{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950443,-0.310899,0.000000,0.000000,0.174013,-0.531971,0.828690,0.000000,-0.257094,0.785959,0.562291,0.000000,-1641521.073703,5018267.739732,3566135.261913,1],    "boundingVolume": {    "region": [1.886886,0.597104,1.886984,0.597203,0.000000,8.777630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1384228.b3dm"}}}