{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894861,-0.446344,0.000000,0.000000,0.284341,-0.570065,0.770828,0.000000,-0.343115,0.687899,0.639584,0.000000,-2191434.332115,4393533.727079,4057603.784602,1],    "boundingVolume": {    "region": [2.033406,0.693894,2.033539,0.694019,0.000000,60.725008]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_981998.b3dm"}}}