{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950155,-0.311779,0.000000,0.000000,0.174119,-0.530634,0.829524,0.000000,-0.258084,0.786519,0.561053,0.000000,-1647834.083402,5021821.621796,3558265.245815,1],    "boundingVolume": {    "region": [1.887811,0.595598,1.887911,0.595715,0.000000,8.742253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1428317.b3dm"}}}