{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950097,-0.311954,0.000000,0.000000,0.174389,-0.531125,0.829153,0.000000,-0.258112,0.786116,0.561604,0.000000,-1648017.480475,5019259.169140,3561770.445380,1],    "boundingVolume": {    "region": [1.887976,0.596219,1.888114,0.596428,0.000000,8.423377]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1336552.b3dm"}}}