{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950266,-0.311441,0.000000,0.000000,0.173887,-0.530561,0.829619,0.000000,-0.257834,0.786702,0.560911,0.000000,-1646237.296440,5022985.320967,3557367.762239,1],    "boundingVolume": {    "region": [1.887455,0.595428,1.887555,0.595545,0.000000,8.813120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1455306.b3dm"}}}