{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950109,-0.311919,0.000000,0.000000,0.115650,-0.352270,0.928726,0.000000,-0.289418,0.881571,0.372920,0.000000,-1846809.324698,5625400.364726,2363713.839007,1],    "boundingVolume": {    "region": [1.888008,0.382153,1.888009,0.382155,0.000000,3.650004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/0.b3dm"}}}