{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949530,-0.313678,0.000000,0.000000,0.175063,-0.529931,0.829774,0.000000,-0.259735,0.786241,0.560681,0.000000,-1658372.174922,5020038.000473,3555901.386113,1],    "boundingVolume": {    "region": [1.889779,0.595075,1.889941,0.595340,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369286.b3dm"}}}