{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896776,-0.442486,0.000000,0.000000,0.287583,-0.582839,0.759997,0.000000,-0.335331,0.679608,0.652446,0.000000,-2141841.322067,4340822.332266,4139435.713949,1],    "boundingVolume": {    "region": [2.029075,0.710755,2.029254,0.710860,0.000000,14.477163]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/20_1781770.b3dm"}}}