{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896147,-0.443757,0.000000,0.000000,0.288231,-0.582070,0.760340,0.000000,-0.336448,0.679441,0.652045,0.000000,-2148970.533005,4339749.207445,4136882.362995,1],    "boundingVolume": {    "region": [2.030493,0.710226,2.030673,0.710331,0.000000,21.393543]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1785203.b3dm"}}}