{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950354,-0.311169,0.000000,0.000000,0.174030,-0.531512,0.828980,0.000000,-0.257409,0.786164,0.561860,0.000000,-1643530.162489,5019569.843868,3563394.746177,1],    "boundingVolume": {    "region": [1.887144,0.596539,1.887295,0.596725,0.000000,8.816588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399469.b3dm"}}}