{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950878,-0.309566,0.000000,0.000000,0.172667,-0.530371,0.829996,0.000000,-0.256400,0.787570,0.560351,0.000000,-1637073.504661,5028514.079729,3553807.994461,1],    "boundingVolume": {    "region": [1.885475,0.594753,1.885591,0.594867,0.000000,7.548047]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/3_1375290.b3dm"}}}