{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950394,-0.311048,0.000000,0.000000,0.173487,-0.530084,0.830008,0.000000,-0.257631,0.787181,0.560333,0.000000,-1644934.968181,5026031.147875,3553691.070283,1],    "boundingVolume": {    "region": [1.887042,0.594729,1.887142,0.594846,0.000000,8.779407]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1375437.b3dm"}}}