{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948953,-0.315418,0.000000,0.000000,0.176172,-0.530023,0.829481,0.000000,-0.261083,0.785483,0.561116,0.000000,-1666979.268149,5015208.603946,3558671.719793,1],    "boundingVolume": {    "region": [1.891624,0.595681,1.891762,0.595787,0.000000,8.816941]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_1070048.b3dm"}}}