{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897571,-0.440871,0.000000,0.000000,0.285914,-0.582093,0.761197,0.000000,-0.334639,0.681293,0.651043,0.000000,-2137407.288180,4351557.944252,4130506.267552,1],    "boundingVolume": {    "region": [2.027289,0.708844,2.027441,0.709071,0.000000,7.055354]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1790891.b3dm"}}}