{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949524,-0.313696,0.000000,0.000000,0.175130,-0.530099,0.829653,0.000000,-0.259712,0.786120,0.560861,0.000000,-1658223.770269,5019269.496643,3557047.535324,1],    "boundingVolume": {    "region": [1.889798,0.595292,1.889960,0.595558,0.000000,8.806784]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1457417.b3dm"}}}