{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898814,-0.438331,0.000000,0.000000,0.283052,-0.580409,0.763549,0.000000,-0.333747,0.684362,0.648276,0.000000,-2131686.318452,4371105.275464,4112903.903470,1],    "boundingVolume": {    "region": [2.024454,0.705259,2.024619,0.705378,0.000000,8.550842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843352.b3dm"}}}