{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943915,-0.330190,0.000000,0.000000,0.184484,-0.527386,0.829355,0.000000,-0.273268,0.781193,0.561304,0.000000,-1744783.169903,4987818.105795,3559863.297650,1],    "boundingVolume": {    "region": [1.907253,0.595903,1.907349,0.596018,0.000000,8.810059]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1271426.b3dm"}}}