{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950347,-0.311193,0.000000,0.000000,0.174037,-0.531489,0.828994,0.000000,-0.257433,0.786170,0.561840,0.000000,-1643683.520604,5019609.560126,3563268.909512,1],    "boundingVolume": {    "region": [1.887169,0.596516,1.887321,0.596701,0.000000,8.816588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399277.b3dm"}}}