{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858229,-0.513267,0.000000,0.000000,0.262581,-0.439059,0.859231,0.000000,-0.440237,0.736115,0.514126,0.000000,-2810377.776310,4699203.846383,3260101.595872,1],    "boundingVolume": {    "region": [2.109702,0.539926,2.109866,0.540051,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_128791.b3dm"}}}