{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950035,-0.312143,0.000000,0.000000,0.174477,-0.531037,0.829191,0.000000,-0.258281,0.786101,0.561548,0.000000,-1649090.294665,5019162.572002,3561412.415350,1],    "boundingVolume": {    "region": [1.888158,0.596153,1.888329,0.596358,0.000000,16.131921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1438989.b3dm"}}}