{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950225,-0.311565,0.000000,0.000000,0.174284,-0.531538,0.828910,0.000000,-0.257715,0.785990,0.561964,0.000000,-1645481.144882,5018458.217479,3564055.570253,1],    "boundingVolume": {    "region": [1.887560,0.596665,1.887712,0.596850,0.000000,8.630878]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400108.b3dm"}}}