{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951702,-0.307022,0.000000,0.000000,0.114533,-0.355029,0.927813,0.000000,-0.284591,0.882172,0.375207,0.000000,-1816017.515789,5629267.723054,2378221.750571,1],    "boundingVolume": {    "region": [1.882811,0.384582,1.882906,0.384658,0.000000,14.122305]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/12/41_40629.b3dm"}}}