{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950428,-0.310946,0.000000,0.000000,0.173811,-0.531266,0.829184,0.000000,-0.257288,0.786419,0.561558,0.000000,-1642754.051437,5021192.183755,3561479.339260,1],    "boundingVolume": {    "region": [1.886936,0.596218,1.887033,0.596317,0.000000,8.743962]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/2_1427571.b3dm"}}}