{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949432,-0.313972,0.000000,0.000000,0.175534,-0.530804,0.829117,0.000000,-0.259771,0.785532,0.561657,0.000000,-1658608.545015,5015530.050204,3562105.117815,1],    "boundingVolume": {    "region": [1.890121,0.596346,1.890220,0.596428,0.000000,7.964432]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1338027.b3dm"}}}