{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950428,-0.310946,0.000000,0.000000,0.173844,-0.531368,0.829112,0.000000,-0.257265,0.786350,0.561665,0.000000,-1642609.076851,5020754.521137,3562158.580500,1],    "boundingVolume": {    "region": [1.886935,0.596348,1.887033,0.596446,0.000000,7.569857]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/4_1388791.b3dm"}}}