{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950109,-0.311919,0.000000,0.000000,0.115006,-0.350309,0.929547,0.000000,-0.289677,0.882360,0.370849,0.000000,-1848450.900509,5630403.326280,2350570.631680,1],    "boundingVolume": {    "region": [1.887934,0.379883,1.888083,0.379962,0.000000,10.199846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/26_73045.b3dm"}}}