{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949136,-0.314867,0.000000,0.000000,0.116026,-0.349749,0.929631,0.000000,-0.292442,0.881537,0.370635,0.000000,-1866092.950736,5625150.616490,2349215.868063,1],    "boundingVolume": {    "region": [1.891059,0.379635,1.891167,0.379750,0.000000,59.537360]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/19_75354.b3dm"}}}