{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949080,-0.315034,0.000000,0.000000,0.176131,-0.530616,0.829111,0.000000,-0.260648,0.785235,0.561666,0.000000,-1664207.237331,5013633.086431,3562163.890725,1],    "boundingVolume": {    "region": [1.891235,0.596360,1.891343,0.596436,0.000000,8.122829]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13.b3dm"}}}