{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949892,-0.312579,0.000000,0.000000,0.174714,-0.530936,0.829206,0.000000,-0.258647,0.785997,0.561525,0.000000,-1651426.816560,5018495.267393,3561271.068338,1],    "boundingVolume": {    "region": [1.888618,0.596126,1.888789,0.596331,0.000000,21.329116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1437951.b3dm"}}}