{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892895,-0.450266,0.000000,0.000000,0.290474,-0.576022,0.764083,0.000000,-0.343077,0.680334,0.647645,0.000000,-2191267.691313,4345368.565126,4108888.758417,1],    "boundingVolume": {    "region": [2.037807,0.704455,2.037911,0.704524,0.000000,7.980626]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1970178.b3dm"}}}