{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949902,-0.312549,0.000000,0.000000,0.174678,-0.530884,0.829247,0.000000,-0.258634,0.786044,0.561465,0.000000,-1651347.960743,5018797.676929,3560884.057157,1],    "boundingVolume": {    "region": [1.888586,0.596052,1.888757,0.596257,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435014.b3dm"}}}