{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948717,-0.316127,0.000000,0.000000,0.176423,-0.529457,0.829789,0.000000,-0.261768,0.785582,0.560658,0.000000,-1671352.302001,5015832.640904,3555759.506170,1],    "boundingVolume": {    "region": [1.892393,0.595069,1.892489,0.595292,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1073939.b3dm"}}}