{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950240,-0.311520,0.000000,0.000000,0.174260,-0.531552,0.828907,0.000000,-0.257676,0.785999,0.561969,0.000000,-1645233.417758,5018515.262960,3564089.381430,1],    "boundingVolume": {    "region": [1.887512,0.596672,1.887664,0.596857,0.000000,8.746875]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400176.b3dm"}}}