{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898470,-0.439034,0.000000,0.000000,0.283815,-0.580819,0.762954,0.000000,-0.334020,0.683563,0.648978,0.000000,-2133437.406910,4366014.629367,4117370.488971,1],    "boundingVolume": {    "region": [2.025269,0.706203,2.025370,0.706278,0.000000,7.393980]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1817524.b3dm"}}}