{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950348,-0.311188,0.000000,0.000000,0.174050,-0.531538,0.828959,0.000000,-0.257418,0.786139,0.561891,0.000000,-1643587.223351,5019407.988559,3563595.065573,1],    "boundingVolume": {    "region": [1.887163,0.596578,1.887315,0.596763,0.000000,8.678457]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1328210.b3dm"}}}