{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948638,-0.316365,0.000000,0.000000,0.176638,-0.529658,0.829615,0.000000,-0.261910,0.785350,0.560917,0.000000,-1672257.957652,5014355.515724,3557405.576884,1],    "boundingVolume": {    "region": [1.892644,0.595382,1.892740,0.595605,0.000000,8.760612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1071557.b3dm"}}}