{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950044,-0.312117,0.000000,0.000000,0.174206,-0.530262,0.829744,0.000000,-0.258433,0.786637,0.560726,0.000000,-1650059.596045,5022569.581769,3556191.597749,1],    "boundingVolume": {    "region": [1.888135,0.595197,1.888299,0.595328,0.000000,8.820070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1454372.b3dm"}}}