{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949714,-0.313118,0.000000,0.000000,0.115386,-0.349975,0.929625,0.000000,-0.290816,0.882069,0.370649,0.000000,-1855716.672384,5628543.565433,2349307.898803,1],    "boundingVolume": {    "region": [1.889202,0.379617,1.889340,0.379799,0.000000,22.719759]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/8_73406.b3dm"}}}