{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949064,-0.315085,0.000000,0.000000,0.115872,-0.349016,0.929925,0.000000,-0.292738,0.881752,0.369888,0.000000,-1867975.801629,5626515.152870,2344478.841835,1],    "boundingVolume": {    "region": [1.891290,0.378854,1.891395,0.378924,0.000000,25.682735]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/21_5894.b3dm"}}}