{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898342,-0.439297,0.000000,0.000000,0.284084,-0.580937,0.762764,0.000000,-0.334137,0.683293,0.649202,0.000000,-2134181.423277,4364296.803927,4118796.253214,1],    "boundingVolume": {    "region": [2.025562,0.706498,2.025663,0.706573,0.000000,43.122198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1818824.b3dm"}}}