{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896925,-0.442183,0.000000,0.000000,0.282343,-0.572705,0.769605,0.000000,-0.339372,0.688383,0.641059,0.000000,-2167544.975806,4396650.529595,4066985.457891,1],    "boundingVolume": {    "region": [2.028736,0.695820,2.028919,0.695933,0.000000,41.386122]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_448752.b3dm"}}}