{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952940,-0.303159,0.000000,0.000000,0.111311,-0.349892,0.930153,0.000000,-0.281728,0.885573,0.369310,0.000000,-1797718.118654,5650887.938622,2340807.213086,1],    "boundingVolume": {    "region": [1.878737,0.378218,1.878867,0.378314,0.000000,7.430113]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/15_44891.b3dm"}}}