{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950591,-0.310445,0.000000,0.000000,0.173572,-0.531485,0.829094,0.000000,-0.256845,0.786469,0.561691,0.000000,-1639927.556062,5021512.200561,3562324.962031,1],    "boundingVolume": {    "region": [1.886408,0.596379,1.886506,0.596478,0.000000,10.796649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1388961.b3dm"}}}