{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944286,-0.329125,0.000000,0.000000,0.183978,-0.527848,0.829173,0.000000,-0.272327,0.781328,0.561574,0.000000,-1738774.610560,4988683.346860,3561578.785891,1],    "boundingVolume": {    "region": [1.906116,0.596249,1.906231,0.596324,0.000000,8.794953]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_851824.b3dm"}}}