{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949334,-0.314269,0.000000,0.000000,0.175687,-0.530710,0.829145,0.000000,-0.260026,0.785477,0.561616,0.000000,-1660233.834809,5015178.537194,3561844.637323,1],    "boundingVolume": {    "region": [1.890434,0.596296,1.890533,0.596378,0.000000,8.777598]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1416099.b3dm"}}}