{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949441,-0.313946,0.000000,0.000000,0.114719,-0.346935,0.930847,0.000000,-0.291972,0.882987,0.367541,0.000000,-1863082.253975,5634360.492487,2329584.286368,1],    "boundingVolume": {    "region": [1.890059,0.376238,1.890227,0.376488,0.000000,26.403536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_29091.b3dm"}}}