{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949228,-0.314590,0.000000,0.000000,0.175721,-0.530213,0.829455,0.000000,-0.260390,0.785686,0.561155,0.000000,-1662554.215665,5016504.128443,3558914.133795,1],    "boundingVolume": {    "region": [1.890752,0.595727,1.890890,0.595833,0.000000,9.160634]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1363828.b3dm"}}}