{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950950,-0.309346,0.000000,0.000000,0.114087,-0.350710,0.929509,0.000000,-0.287276,0.883104,0.370945,0.000000,-1833128.459656,5635154.245427,2351180.976251,1],    "boundingVolume": {    "region": [1.885210,0.379967,1.885393,0.380085,0.000000,4.451949]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_72637.b3dm"}}}