{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950709,-0.310084,0.000000,0.000000,0.116908,-0.358439,0.926204,0.000000,-0.286925,0.879706,0.379199,0.000000,-1830928.766192,5613586.206368,2403548.825886,1],    "boundingVolume": {    "region": [1.886073,0.388920,1.886081,0.388941,0.000000,4.664036]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/19.b3dm"}}}