{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949735,-0.313054,0.000000,0.000000,0.174960,-0.530790,0.829247,0.000000,-0.259053,0.785907,0.561464,0.000000,-1654021.478179,5017921.119826,3560878.588958,1],    "boundingVolume": {    "region": [1.889127,0.596069,1.889280,0.596238,0.000000,12.781498]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1434986.b3dm"}}}