{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949289,-0.314404,0.000000,0.000000,0.175778,-0.530733,0.829111,0.000000,-0.260126,0.785408,0.561666,0.000000,-1660875.929720,5014735.982225,3562166.209187,1],    "boundingVolume": {    "region": [1.890575,0.596358,1.890674,0.596439,0.000000,8.816003]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1417499.b3dm"}}}