{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949033,-0.315178,0.000000,0.000000,0.176155,-0.530422,0.829230,0.000000,-0.260804,0.785309,0.561490,0.000000,-1665204.518068,5014102.937840,3561043.870679,1],    "boundingVolume": {    "region": [1.891372,0.596132,1.891509,0.596238,0.000000,8.815839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1146640.b3dm"}}}