{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950252,-0.311483,0.000000,0.000000,0.173897,-0.530514,0.829647,0.000000,-0.257878,0.786717,0.560870,0.000000,-1646514.607101,5023083.691128,3557102.300403,1],    "boundingVolume": {    "region": [1.887499,0.595377,1.887599,0.595494,0.000000,8.799516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1454949.b3dm"}}}