{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949131,-0.314882,0.000000,0.000000,0.116117,-0.350004,0.929524,0.000000,-0.292422,0.881429,0.370907,0.000000,-1865966.404562,5624467.218022,2350940.411064,1],    "boundingVolume": {    "region": [1.891075,0.379928,1.891183,0.380043,0.000000,62.522310]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_1509.b3dm"}}}