{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950647,-0.310273,0.000000,0.000000,0.173409,-0.531310,0.829240,0.000000,-0.256749,0.786655,0.561475,0.000000,-1639311.575694,5022695.384685,3560949.447799,1],    "boundingVolume": {    "region": [1.886228,0.596118,1.886326,0.596216,0.000000,8.809058]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1_1427319.b3dm"}}}