{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949510,-0.313736,0.000000,0.000000,0.175180,-0.530176,0.829593,0.000000,-0.259726,0.786052,0.560950,0.000000,-1658315.229741,5018836.592146,3557611.884509,1],    "boundingVolume": {    "region": [1.889840,0.595400,1.890002,0.595665,0.000000,8.792672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/15_1367131.b3dm"}}}