{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895639,-0.444783,0.000000,0.000000,0.284250,-0.572381,0.769144,0.000000,-0.341161,0.686980,0.641613,0.000000,-2178974.584079,4387702.830040,4070515.673352,1],    "boundingVolume": {    "region": [2.031667,0.696541,2.031789,0.696659,0.000000,62.689333]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_686768.b3dm"}}}