{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950999,-0.309195,0.000000,0.000000,0.171307,-0.526892,0.832489,0.000000,-0.256869,0.790058,0.556621,0.000000,-1640045.891600,5044333.234776,3530098.919162,1],    "boundingVolume": {    "region": [1.885058,0.590251,1.885228,0.590374,0.000000,8.079760]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/16_1322945.b3dm"}}}