{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949088,-0.315011,0.000000,0.000000,0.116057,-0.349665,0.929659,0.000000,-0.292584,0.881519,0.370565,0.000000,-1867000.394905,5625035.160308,2348774.256250,1],    "boundingVolume": {    "region": [1.891210,0.379560,1.891319,0.379675,0.000000,52.365640]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/18_74852.b3dm"}}}