{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949015,-0.315231,0.000000,0.000000,0.175820,-0.529311,0.830011,0.000000,-0.261097,0.786041,0.560329,0.000000,-1667063.706660,5018751.687335,3553667.346160,1],    "boundingVolume": {    "region": [1.891449,0.594688,1.891544,0.594878,0.000000,15.112235]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/27_1091861.b3dm"}}}