{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943078,-0.332570,0.000000,0.000000,0.186159,-0.527897,0.828655,0.000000,-0.275004,0.779836,0.562342,0.000000,-1755872.845590,4979174.497351,3566460.359638,1],    "boundingVolume": {    "region": [1.909762,0.597176,1.909887,0.597255,0.000000,8.725843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1286307.b3dm"}}}