{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948726,-0.316100,0.000000,0.000000,0.176403,-0.529446,0.829800,0.000000,-0.261749,0.785600,0.560642,0.000000,-1671231.708679,5015946.160976,3555656.743266,1],    "boundingVolume": {    "region": [1.892364,0.595049,1.892460,0.595273,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1074226.b3dm"}}}