{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949589,-0.313498,0.000000,0.000000,0.175242,-0.530809,0.829176,0.000000,-0.259397,0.785718,0.561570,0.000000,-1656221.636615,5016713.335632,3561553.110757,1],    "boundingVolume": {    "region": [1.889621,0.596241,1.889720,0.596323,0.000000,12.700957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1444547.b3dm"}}}