{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948638,-0.316364,0.000000,0.000000,0.176634,-0.529648,0.829623,0.000000,-0.261911,0.785358,0.560906,0.000000,-1672266.343827,5014401.895060,3557336.723600,1],    "boundingVolume": {    "region": [1.892642,0.595369,1.892738,0.595592,0.000000,8.760612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1071641.b3dm"}}}