{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949104,-0.314963,0.000000,0.000000,0.116100,-0.349852,0.929583,0.000000,-0.292516,0.881461,0.370757,0.000000,-1866565.249904,5624668.272661,2349990.217056,1],    "boundingVolume": {    "region": [1.891160,0.379766,1.891269,0.379882,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76708.b3dm"}}}