{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897633,-0.440744,0.000000,0.000000,0.283059,-0.576486,0.766513,0.000000,-0.336898,0.686136,0.644762,0.000000,-2151776.407527,4382370.538088,4090543.898749,1],    "boundingVolume": {    "region": [2.027161,0.700677,2.027287,0.700746,0.000000,8.908386]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_859138.b3dm"}}}