{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950449,-0.310882,0.000000,0.000000,0.173582,-0.530688,0.829602,0.000000,-0.257366,0.786837,0.560937,0.000000,-1643246.746797,5023848.893305,3557529.876127,1],    "boundingVolume": {    "region": [1.886867,0.595459,1.886966,0.595575,0.000000,7.657535]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/10_1344500.b3dm"}}}