{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951190,-0.308605,0.000000,0.000000,0.115706,-0.356631,0.927053,0.000000,-0.285822,0.880967,0.377099,0.000000,-1823877.693846,5621601.861461,2390228.071317,1],    "boundingVolume": {    "region": [1.884441,0.386611,1.884604,0.386714,0.000000,54.868675]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/13_21020.b3dm"}}}