{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894646,-0.446777,0.000000,0.000000,0.284867,-0.570430,0.770364,0.000000,-0.343238,0.687316,0.640144,0.000000,-2192230.632847,4389820.980028,4061166.481866,1],    "boundingVolume": {    "region": [2.033889,0.694623,2.034022,0.694748,0.000000,81.989569]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1138500.b3dm"}}}