{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950263,-0.311448,0.000000,0.000000,0.173731,-0.530072,0.829964,0.000000,-0.257948,0.787030,0.560398,0.000000,-1646962.935842,5025073.023416,3554103.936543,1],    "boundingVolume": {    "region": [1.887463,0.594808,1.887562,0.594924,0.000000,8.821118]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1460029.b3dm"}}}