{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950515,-0.310679,0.000000,0.000000,0.173263,-0.530093,0.830049,0.000000,-0.257339,0.787320,0.560272,0.000000,-1643067.499117,5026918.460282,3553302.543896,1],    "boundingVolume": {    "region": [1.886613,0.594641,1.886795,0.594787,0.000000,8.812569]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1457963.b3dm"}}}