{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948890,-0.315606,0.000000,0.000000,0.176368,-0.530261,0.829287,0.000000,-0.261177,0.785246,0.561405,0.000000,-1667584.997347,5013698.669471,3560502.732452,1],    "boundingVolume": {    "region": [1.891823,0.596029,1.891961,0.596135,0.000000,8.751617]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1068049.b3dm"}}}