{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942095,-0.335347,0.000000,0.000000,0.187739,-0.527417,0.828605,0.000000,-0.277283,0.778975,0.562417,0.000000,-1770423.555175,4973676.502812,3566935.277039,1],    "boundingVolume": {    "region": [1.912707,0.597274,1.912832,0.597337,0.000000,8.588381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/9_1265396.b3dm"}}}