{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949862,-0.312668,0.000000,0.000000,0.174731,-0.530818,0.829277,0.000000,-0.258743,0.786041,0.561419,0.000000,-1652040.802073,5018776.548452,3560594.406101,1],    "boundingVolume": {    "region": [1.888711,0.595997,1.888883,0.596202,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434415.b3dm"}}}