{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948946,-0.315438,0.000000,0.000000,0.115952,-0.348824,0.929988,0.000000,-0.293086,0.881703,0.369730,0.000000,-1870197.451543,5626197.814806,2343475.780301,1],    "boundingVolume": {    "region": [1.891662,0.378684,1.891767,0.378754,0.000000,60.012210]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/10/18_12494.b3dm"}}}