{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950098,-0.311953,0.000000,0.000000,0.173812,-0.529371,0.830395,0.000000,-0.258502,0.787305,0.559757,0.000000,-1650492.210234,5026814.578007,3550029.063915,1],    "boundingVolume": {    "region": [1.887962,0.594026,1.888126,0.594158,0.000000,6.786233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_1378893.b3dm"}}}