{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943804,-0.330505,0.000000,0.000000,0.184663,-0.527332,0.829349,0.000000,-0.273527,0.781096,0.561312,0.000000,-1746438.231357,4987199.891718,3559917.500124,1],    "boundingVolume": {    "region": [1.907587,0.595913,1.907683,0.596028,0.000000,7.128317]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/9_1271286.b3dm"}}}