{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897572,-0.440868,0.000000,0.000000,0.283108,-0.576384,0.766571,0.000000,-0.337019,0.686142,0.644692,0.000000,-2152547.171013,4382409.471411,4090099.634962,1],    "boundingVolume": {    "region": [2.027299,0.700586,2.027426,0.700654,0.000000,9.445871]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_858396.b3dm"}}}