{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950389,-0.311063,0.000000,0.000000,0.173922,-0.531385,0.829084,0.000000,-0.257354,0.786292,0.561706,0.000000,-1643173.436053,5020385.889407,3562416.105491,1],    "boundingVolume": {    "region": [1.887031,0.596353,1.887183,0.596539,0.000000,8.813437]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/0/2_1389142.b3dm"}}}