{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950449,-0.310880,0.000000,0.000000,0.173873,-0.531580,0.828970,0.000000,-0.257166,0.786232,0.561876,0.000000,-1641977.711796,5020003.950626,3563498.209583,1],    "boundingVolume": {    "region": [1.886866,0.596602,1.886964,0.596701,0.000000,14.515134]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_1393972.b3dm"}}}