{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949172,-0.314757,0.000000,0.000000,0.116065,-0.350002,0.929531,0.000000,-0.292308,0.881475,0.370888,0.000000,-1865240.593265,5624757.316972,2350823.110592,1],    "boundingVolume": {    "region": [1.890943,0.379908,1.891052,0.380023,0.000000,33.486713]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/21_1234.b3dm"}}}