{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950634,-0.310314,0.000000,0.000000,0.173542,-0.531637,0.829003,0.000000,-0.256709,0.786417,0.561827,0.000000,-1639056.983575,5021181.459025,3563185.922654,1],    "boundingVolume": {    "region": [1.886271,0.596543,1.886369,0.596642,0.000000,11.649337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_1392038.b3dm"}}}