{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948520,-0.316716,0.000000,0.000000,0.117098,-0.350693,0.929141,0.000000,-0.294002,0.880495,0.371875,0.000000,-1876052.823982,5618521.347866,2357081.192071,1],    "boundingVolume": {    "region": [1.892978,0.380922,1.893145,0.381133,0.000000,4.457687]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/8_72617.b3dm"}}}