{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943841,-0.330400,0.000000,0.000000,0.183873,-0.525264,0.830836,0.000000,-0.273935,0.782540,0.559098,0.000000,-1749026.606975,4996376.820020,3545845.507275,1],    "boundingVolume": {    "region": [1.907469,0.593208,1.907578,0.593388,0.000000,7.599126]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1246255.b3dm"}}}