{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951312,-0.308229,0.000000,0.000000,0.113888,-0.351502,0.929234,0.000000,-0.286153,0.883177,0.371639,0.000000,-1825966.657097,5635628.390682,2355583.591259,1],    "boundingVolume": {    "region": [1.884049,0.380727,1.884205,0.380821,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42985.b3dm"}}}