{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950503,-0.310717,0.000000,0.000000,0.173652,-0.531213,0.829251,0.000000,-0.257120,0.786546,0.561458,0.000000,-1641677.761042,5021998.004462,3560843.662506,1],    "boundingVolume": {    "region": [1.886694,0.596098,1.886792,0.596196,0.000000,8.315312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/1_1342372.b3dm"}}}