{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950574,-0.310499,0.000000,0.000000,0.173638,-0.531583,0.829017,0.000000,-0.256866,0.786381,0.561805,0.000000,-1640063.007151,5020951.643464,3563047.785279,1],    "boundingVolume": {    "region": [1.886465,0.596517,1.886563,0.596615,0.000000,13.019579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1391172.b3dm"}}}