{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949079,-0.315039,0.000000,0.000000,0.176105,-0.530528,0.829172,0.000000,-0.260672,0.785292,0.561575,0.000000,-1664357.231683,5013997.232753,3561585.121935,1],    "boundingVolume": {    "region": [1.891226,0.596235,1.891363,0.596341,0.000000,8.793916]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1447595.b3dm"}}}