{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949087,-0.315013,0.000000,0.000000,0.176070,-0.530474,0.829215,0.000000,-0.260663,0.785340,0.561512,0.000000,-1664304.110837,5014300.234227,3561186.034307,1],    "boundingVolume": {    "region": [1.891198,0.596159,1.891335,0.596265,0.000000,8.805275]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1446397.b3dm"}}}