{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950887,-0.309539,0.000000,0.000000,0.173024,-0.531521,0.829185,0.000000,-0.256124,0.786800,0.561556,0.000000,-1635321.969459,5023626.228965,3561467.261027,1],    "boundingVolume": {    "region": [1.885431,0.596156,1.885577,0.596375,0.000000,8.807277]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1338900.b3dm"}}}