{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950574,-0.310499,0.000000,0.000000,0.173623,-0.531536,0.829051,0.000000,-0.256877,0.786413,0.561756,0.000000,-1640128.421233,5021154.293817,3562734.199022,1],    "boundingVolume": {    "region": [1.886465,0.596457,1.886563,0.596556,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389908.b3dm"}}}