{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950309,-0.311309,0.000000,0.000000,0.174043,-0.531287,0.829122,0.000000,-0.257569,0.786262,0.561650,0.000000,-1644547.684941,5020187.657804,3562063.677495,1],    "boundingVolume": {    "region": [1.887290,0.596286,1.887442,0.596472,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397565.b3dm"}}}