{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950588,-0.310455,0.000000,0.000000,0.173588,-0.531513,0.829072,0.000000,-0.256847,0.786445,0.561723,0.000000,-1639940.224352,5021362.601822,3562528.625388,1],    "boundingVolume": {    "region": [1.886419,0.596418,1.886517,0.596517,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389410.b3dm"}}}