{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949024,-0.315203,0.000000,0.000000,0.176176,-0.530438,0.829215,0.000000,-0.260821,0.785288,0.561512,0.000000,-1665307.834807,5013967.206952,3561185.710093,1],    "boundingVolume": {    "region": [1.891398,0.596159,1.891536,0.596265,0.000000,8.815839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1146729.b3dm"}}}