{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949078,-0.315041,0.000000,0.000000,0.116133,-0.349858,0.929576,0.000000,-0.292586,0.881431,0.370773,0.000000,-1867010.428436,5624476.601236,2350094.624673,1],    "boundingVolume": {    "region": [1.891242,0.379784,1.891350,0.379899,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76992.b3dm"}}}