{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950053,-0.312088,0.000000,0.000000,0.174410,-0.530938,0.829269,0.000000,-0.258260,0.786191,0.561432,0.000000,-1648956.485922,5019730.830868,3560678.340514,1],    "boundingVolume": {    "region": [1.888117,0.596011,1.888255,0.596220,0.000000,10.645471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/1_1431338.b3dm"}}}