{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944360,-0.328914,0.000000,0.000000,0.183893,-0.527982,0.829107,0.000000,-0.272130,0.781326,0.561672,0.000000,-1737520.642484,4988672.680008,3562201.446297,1],    "boundingVolume": {    "region": [1.905892,0.596368,1.906007,0.596443,0.000000,8.812367]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_131512.b3dm"}}}