{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949971,-0.312338,0.000000,0.000000,0.174140,-0.529645,0.830151,0.000000,-0.258744,0.786967,0.560120,0.000000,-1652041.440694,5024664.750406,3552335.641395,1],    "boundingVolume": {    "region": [1.888367,0.594464,1.888531,0.594596,0.000000,11.551202]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_1378238.b3dm"}}}