{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948747,-0.316037,0.000000,0.000000,0.176365,-0.529451,0.829805,0.000000,-0.261698,0.785623,0.560635,0.000000,-1670907.172486,5016088.342704,3555609.010650,1],    "boundingVolume": {    "region": [1.892298,0.595040,1.892393,0.595263,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178905.b3dm"}}}