{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948379,-0.317138,0.000000,0.000000,0.116030,-0.346979,0.930668,0.000000,-0.294883,0.881828,0.367998,0.000000,-1881659.261780,5626972.590318,2332488.633919,1],    "boundingVolume": {    "region": [1.893459,0.376828,1.893554,0.376882,0.000000,9.298030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/15_24302.b3dm"}}}