{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950219,-0.311584,0.000000,0.000000,0.174298,-0.531547,0.828901,0.000000,-0.257727,0.785976,0.561977,0.000000,-1645560.655164,5018371.285201,3564140.691857,1],    "boundingVolume": {    "region": [1.887580,0.596681,1.887731,0.596867,0.000000,8.815660]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400253.b3dm"}}}