{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893973,-0.448121,0.000000,0.000000,0.288787,-0.576111,0.764655,0.000000,-0.341700,0.681669,0.646968,0.000000,-2182469.907330,4353885.584629,4104581.917091,1],    "boundingVolume": {    "region": [2.035376,0.703520,2.035542,0.703683,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1991777.b3dm"}}}