{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949011,-0.315244,0.000000,0.000000,0.175866,-0.529428,0.829926,0.000000,-0.261080,0.785956,0.560456,0.000000,-1666958.286783,5018213.563046,3554471.227061,1],    "boundingVolume": {    "region": [1.891463,0.594841,1.891557,0.595031,0.000000,11.080072]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/28_1076193.b3dm"}}}