{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943193,-0.332244,0.000000,0.000000,0.186456,-0.529323,0.827678,0.000000,-0.274407,0.779004,0.563785,0.000000,-1752073.274871,4973886.139417,3575634.481472,1],    "boundingVolume": {    "region": [1.909406,0.598913,1.909550,0.599011,0.000000,8.771567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_657830.b3dm"}}}