{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898801,-0.438356,0.000000,0.000000,0.283101,-0.580468,0.763485,0.000000,-0.333739,0.684294,0.648352,0.000000,-2131631.345685,4370677.649940,4113383.583028,1],    "boundingVolume": {    "region": [2.024483,0.705358,2.024648,0.705477,0.000000,6.813608]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1827670.b3dm"}}}