{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943929,-0.330149,0.000000,0.000000,0.184250,-0.526790,0.829786,0.000000,-0.273378,0.781614,0.560663,0.000000,-1745477.597043,4990497.459643,3555792.841337,1],    "boundingVolume": {    "region": [1.907210,0.595129,1.907305,0.595244,0.000000,8.770031]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1276489.b3dm"}}}