{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950597,-0.310428,0.000000,0.000000,0.173578,-0.531534,0.829061,0.000000,-0.256821,0.786442,0.561740,0.000000,-1639773.112803,5021341.182977,3562635.019023,1],    "boundingVolume": {    "region": [1.886390,0.596438,1.886488,0.596537,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389647.b3dm"}}}