{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897888,-0.440224,0.000000,0.000000,0.282808,-0.576818,0.766355,0.000000,-0.336431,0.686189,0.644949,0.000000,-2148794.718290,4382712.719336,4091736.470423,1],    "boundingVolume": {    "region": [2.026581,0.700922,2.026708,0.700991,0.000000,10.012835]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_853782.b3dm"}}}