{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950544,-0.310591,0.000000,0.000000,0.173480,-0.530924,0.829472,0.000000,-0.257085,0.786792,0.561129,0.000000,-1641451.906921,5023562.690816,3558754.164700,1],    "boundingVolume": {    "region": [1.886553,0.595692,1.886669,0.595807,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1424409.b3dm"}}}