{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950583,-0.310471,0.000000,0.000000,0.173609,-0.531548,0.829045,0.000000,-0.256852,0.786415,0.561763,0.000000,-1639968.658266,5021171.101540,3562783.721212,1],    "boundingVolume": {    "region": [1.886436,0.596466,1.886533,0.596565,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390081.b3dm"}}}