{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950212,-0.311603,0.000000,0.000000,0.174305,-0.531532,0.828910,0.000000,-0.257746,0.785979,0.561964,0.000000,-1645678.199238,5018390.254287,3564060.252282,1],    "boundingVolume": {    "region": [1.887600,0.596666,1.887751,0.596851,0.000000,8.630878]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400113.b3dm"}}}