{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948380,-0.317136,0.000000,0.000000,0.116427,-0.348171,0.930173,0.000000,-0.294722,0.881355,0.369260,0.000000,-1880638.224289,5623967.722515,2340491.449567,1],    "boundingVolume": {    "region": [1.893452,0.378173,1.893556,0.378252,0.000000,6.000123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/17_12893.b3dm"}}}