{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898474,-0.439027,0.000000,0.000000,0.283889,-0.580983,0.762801,0.000000,-0.333948,0.683427,0.649158,0.000000,-2132975.590468,4365154.852522,4118513.500861,1],    "boundingVolume": {    "region": [2.025262,0.706439,2.025363,0.706514,0.000000,8.716593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1818500.b3dm"}}}