{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948874,-0.315655,0.000000,0.000000,0.176330,-0.530055,0.829427,0.000000,-0.261262,0.785366,0.561197,0.000000,-1668126.451795,5014461.985396,3559182.806683,1],    "boundingVolume": {    "region": [1.891875,0.595778,1.892012,0.595884,0.000000,8.587410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1069443.b3dm"}}}