{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896506,-0.443032,0.000000,0.000000,0.282992,-0.572654,0.769404,0.000000,-0.339935,0.687880,0.641300,0.000000,-2171139.835912,4393445.195760,4068521.197876,1],    "boundingVolume": {    "region": [2.029683,0.696135,2.029866,0.696248,0.000000,49.342115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_507673.b3dm"}}}