{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950584,-0.310468,0.000000,0.000000,0.173615,-0.531572,0.829029,0.000000,-0.256844,0.786400,0.561788,0.000000,-1639921.113306,5021076.610565,3562937.733372,1],    "boundingVolume": {    "region": [1.886433,0.596496,1.886530,0.596595,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390688.b3dm"}}}