{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949006,-0.315258,0.000000,0.000000,0.175879,-0.529442,0.829914,0.000000,-0.261088,0.785941,0.560473,0.000000,-1667007.189634,5018119.774321,3554579.967951,1],    "boundingVolume": {    "region": [1.891477,0.594861,1.891572,0.595052,0.000000,9.564068]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/28_1075983.b3dm"}}}