{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949333,-0.314273,0.000000,0.000000,0.175688,-0.530704,0.829148,0.000000,-0.260030,0.785479,0.561611,0.000000,-1660262.843025,5015192.553831,3561811.602635,1],    "boundingVolume": {    "region": [1.890438,0.596290,1.890537,0.596372,0.000000,8.765953]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1338356.b3dm"}}}