{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948977,-0.315346,0.000000,0.000000,0.176078,-0.529876,0.829595,0.000000,-0.261060,0.785612,0.560947,0.000000,-1666830.654522,5016028.199569,3557593.290774,1],    "boundingVolume": {    "region": [1.891549,0.595476,1.891686,0.595582,0.000000,8.752248]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/4_1071128.b3dm"}}}