{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948906,-0.315557,0.000000,0.000000,0.176172,-0.529762,0.829648,0.000000,-0.261251,0.785604,0.560869,0.000000,-1668054.917211,5015974.287160,3557098.790728,1],    "boundingVolume": {    "region": [1.891793,0.595340,1.891888,0.595530,0.000000,8.742115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/31_1072143.b3dm"}}}