{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948710,-0.316149,0.000000,0.000000,0.176463,-0.529535,0.829731,0.000000,-0.261768,0.785521,0.560745,0.000000,-1671349.106941,5015441.065991,3556309.600414,1],    "boundingVolume": {    "region": [1.892416,0.595174,1.892511,0.595397,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179725.b3dm"}}}