{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948840,-0.315758,0.000000,0.000000,0.176523,-0.530443,0.829138,0.000000,-0.261256,0.785062,0.561626,0.000000,-1668085.785127,5012526.796979,3561908.369094,1],    "boundingVolume": {    "region": [1.891983,0.596296,1.892121,0.596403,0.000000,8.640145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1111860.b3dm"}}}