{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949282,-0.314427,0.000000,0.000000,0.175736,-0.530562,0.829229,0.000000,-0.260183,0.785515,0.561491,0.000000,-1661237.842136,5015414.753450,3561049.176187,1],    "boundingVolume": {    "region": [1.890581,0.596133,1.890718,0.596239,0.000000,8.792895]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/11_1445847.b3dm"}}}