{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950577,-0.310488,0.000000,0.000000,0.173620,-0.531548,0.829043,0.000000,-0.256865,0.786409,0.561766,0.000000,-1640056.294403,5021130.127780,3562801.009880,1],    "boundingVolume": {    "region": [1.886454,0.596470,1.886551,0.596569,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390171.b3dm"}}}