{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950179,-0.311705,0.000000,0.000000,0.174458,-0.531806,0.828702,0.000000,-0.257765,0.785753,0.562272,0.000000,-1645805.383250,5016948.931966,3566016.964350,1],    "boundingVolume": {    "region": [1.887708,0.597038,1.887859,0.597224,0.000000,8.757294]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/6_1385460.b3dm"}}}