{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950294,-0.311353,0.000000,0.000000,0.174071,-0.531290,0.829114,0.000000,-0.257603,0.786242,0.561662,0.000000,-1644766.009145,5020063.227453,3562137.737622,1],    "boundingVolume": {    "region": [1.887337,0.596300,1.887489,0.596486,0.000000,8.809496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397640.b3dm"}}}