{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949651,-0.313311,0.000000,0.000000,0.175241,-0.531159,0.828952,0.000000,-0.259172,0.785555,0.561902,0.000000,-1654783.619894,5015678.340435,3563664.396952,1],    "boundingVolume": {    "region": [1.889423,0.596673,1.889524,0.596694,0.000000,8.505450]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/13_1415300.b3dm"}}}