{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948989,-0.315308,0.000000,0.000000,0.176250,-0.530463,0.829183,0.000000,-0.260898,0.785229,0.561559,0.000000,-1665799.848763,5013592.416955,3561481.258141,1],    "boundingVolume": {    "region": [1.891509,0.596215,1.891646,0.596321,0.000000,8.060845]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1066558.b3dm"}}}