{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948863,-0.315687,0.000000,0.000000,0.176351,-0.530061,0.829419,0.000000,-0.261286,0.785350,0.561209,0.000000,-1668277.583194,5014357.125685,3559259.188463,1],    "boundingVolume": {    "region": [1.891908,0.595792,1.892046,0.595899,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147403.b3dm"}}}