{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897033,-0.441964,0.000000,0.000000,0.287240,-0.582998,0.760004,0.000000,-0.334939,0.679810,0.652437,0.000000,-2139336.964983,4342111.525774,4139379.036696,1],    "boundingVolume": {    "region": [2.028493,0.710744,2.028673,0.710849,0.000000,8.674350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780788.b3dm"}}}