{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950584,-0.310469,0.000000,0.000000,0.173603,-0.531533,0.829057,0.000000,-0.256854,0.786427,0.561747,0.000000,-1639981.456062,5021242.734653,3562677.587906,1],    "boundingVolume": {    "region": [1.886434,0.596446,1.886531,0.596545,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389766.b3dm"}}}