{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949837,-0.312745,0.000000,0.000000,0.174576,-0.530204,0.829703,0.000000,-0.258940,0.786428,0.560787,0.000000,-1653298.919170,5021230.617975,3556575.308545,1],    "boundingVolume": {    "region": [1.888796,0.595270,1.888960,0.595401,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355826.b3dm"}}}