{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949856,-0.312687,0.000000,0.000000,0.174799,-0.530991,0.829153,0.000000,-0.258719,0.785917,0.561604,0.000000,-1651888.401479,5017985.188840,3561772.338497,1],    "boundingVolume": {    "region": [1.888731,0.596221,1.888902,0.596426,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1401302.b3dm"}}}