{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948850,-0.315727,0.000000,0.000000,0.176506,-0.530451,0.829137,0.000000,-0.261230,0.785069,0.561628,0.000000,-1667921.214830,5012572.359987,3561921.229670,1],    "boundingVolume": {    "region": [1.891951,0.596299,1.892088,0.596405,0.000000,8.640145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1111892.b3dm"}}}