{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950223,-0.311571,0.000000,0.000000,0.174193,-0.531252,0.829113,0.000000,-0.257783,0.786182,0.561663,0.000000,-1645915.536670,5019679.901050,3562146.907570,1],    "boundingVolume": {    "region": [1.887573,0.596290,1.887711,0.596499,0.000000,8.750392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1397658.b3dm"}}}