{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943052,-0.332646,0.000000,0.000000,0.186616,-0.529056,0.827813,0.000000,-0.274785,0.779014,0.563587,0.000000,-1754480.670848,4973948.317048,3574375.805766,1],    "boundingVolume": {    "region": [1.909832,0.598673,1.909977,0.598771,0.000000,8.725601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_657724.b3dm"}}}