{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949100,-0.314976,0.000000,0.000000,0.176005,-0.530348,0.829309,0.000000,-0.260662,0.785440,0.561372,0.000000,-1664296.497406,5014937.253761,3560298.455519,1],    "boundingVolume": {    "region": [1.891159,0.595990,1.891296,0.596096,0.000000,11.675874]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1360004.b3dm"}}}