{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949052,-0.315120,0.000000,0.000000,0.175757,-0.529331,0.830011,0.000000,-0.261004,0.786071,0.560329,0.000000,-1666474.455414,5018947.862422,3553666.667627,1],    "boundingVolume": {    "region": [1.891332,0.594688,1.891427,0.594878,0.000000,21.126474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/27_1462304.b3dm"}}}