{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948849,-0.315731,0.000000,0.000000,0.176506,-0.530445,0.829140,0.000000,-0.261234,0.785071,0.561622,0.000000,-1667946.993495,5012587.799914,3561887.656325,1],    "boundingVolume": {    "region": [1.891955,0.596292,1.892092,0.596399,0.000000,7.682172]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1056429.b3dm"}}}