{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895029,-0.446008,0.000000,0.000000,0.284370,-0.570662,0.770375,0.000000,-0.342653,0.687621,0.640130,0.000000,-2188489.026836,4391766.965550,4061081.130629,1],    "boundingVolume": {    "region": [2.033029,0.694606,2.033163,0.694730,0.000000,58.735090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/13_978494.b3dm"}}}