{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948243,-0.317546,0.000000,0.000000,0.116592,-0.348162,0.930156,0.000000,-0.295099,0.881210,0.369303,0.000000,-1883039.586404,5623048.769727,2340766.768226,1],    "boundingVolume": {    "region": [1.893885,0.378220,1.893989,0.378298,0.000000,11.416322]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/17_13601.b3dm"}}}