{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950590,-0.310449,0.000000,0.000000,0.173670,-0.531774,0.828888,0.000000,-0.256784,0.786270,0.561997,0.000000,-1639540.759164,5020250.452948,3564267.734424,1],    "boundingVolume": {    "region": [1.886413,0.596749,1.886510,0.596848,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395616.b3dm"}}}