{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894719,-0.446629,0.000000,0.000000,0.284547,-0.570024,0.770783,0.000000,-0.343313,0.687749,0.639639,0.000000,-2192701.447988,4392576.378736,4057953.365000,1],    "boundingVolume": {    "region": [2.033724,0.693966,2.033857,0.694091,0.000000,50.769754]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_984292.b3dm"}}}