{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949026,-0.315197,0.000000,0.000000,0.176174,-0.530443,0.829212,0.000000,-0.260815,0.785287,0.561516,0.000000,-1665272.519556,5013962.559381,3561208.613402,1],    "boundingVolume": {    "region": [1.891392,0.596163,1.891529,0.596270,0.000000,8.815839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1146750.b3dm"}}}