{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949866,-0.312656,0.000000,0.000000,0.174744,-0.530883,0.829233,0.000000,-0.258719,0.786002,0.561485,0.000000,-1651886.511747,5018527.502340,3561014.166427,1],    "boundingVolume": {    "region": [1.888698,0.596077,1.888870,0.596282,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1436049.b3dm"}}}