{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950208,-0.311615,0.000000,0.000000,0.174310,-0.531525,0.828913,0.000000,-0.257757,0.785979,0.561959,0.000000,-1645751.857128,5018389.532234,3564027.477961,1],    "boundingVolume": {    "region": [1.887613,0.596660,1.887765,0.596845,0.000000,8.567674]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400083.b3dm"}}}