{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949551,-0.313613,0.000000,0.000000,0.174932,-0.529656,0.829978,0.000000,-0.259746,0.786453,0.560378,0.000000,-1658438.597875,5021386.582440,3553978.728035,1],    "boundingVolume": {    "region": [1.889711,0.594709,1.889873,0.594975,0.000000,8.810656]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1379242.b3dm"}}}