{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950254,-0.311477,0.000000,0.000000,0.173952,-0.530691,0.829523,0.000000,-0.257834,0.786600,0.561055,0.000000,-1646236.963198,5022335.274813,3558279.456972,1],    "boundingVolume": {    "region": [1.887494,0.595601,1.887593,0.595718,0.000000,8.803672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1428333.b3dm"}}}