{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950086,-0.311988,0.000000,0.000000,0.174389,-0.531060,0.829195,0.000000,-0.258154,0.786147,0.561542,0.000000,-1648281.141200,5019455.459070,3561374.469482,1],    "boundingVolume": {    "region": [1.888012,0.596143,1.888150,0.596352,0.000000,8.817862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432741.b3dm"}}}