{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949802,-0.312851,0.000000,0.000000,0.114615,-0.347966,0.930475,0.000000,-0.290836,0.882966,0.368491,0.000000,-1855837.761578,5634237.070923,2335616.782489,1],    "boundingVolume": {    "region": [1.888906,0.377261,1.889074,0.377511,0.000000,28.592697]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_22022.b3dm"}}}