{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950347,-0.311193,0.000000,0.000000,0.174058,-0.531552,0.828949,0.000000,-0.257419,0.786128,0.561906,0.000000,-1643592.521393,5019337.856486,3563690.757811,1],    "boundingVolume": {    "region": [1.887169,0.596596,1.887320,0.596781,0.000000,8.820846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1399935.b3dm"}}}