{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950450,-0.310878,0.000000,0.000000,0.173870,-0.531575,0.828974,0.000000,-0.257166,0.786236,0.561870,0.000000,-1641976.696640,5020031.360087,3563460.319885,1],    "boundingVolume": {    "region": [1.886864,0.596595,1.886962,0.596694,0.000000,13.011761]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_1393733.b3dm"}}}