{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950657,-0.310244,0.000000,0.000000,0.173207,-0.530746,0.829643,0.000000,-0.256851,0.787049,0.560875,0.000000,-1639957.748025,5025202.385667,3557138.558497,1],    "boundingVolume": {    "region": [1.886188,0.595385,1.886304,0.595500,0.000000,8.189523]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1344840.b3dm"}}}