{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949388,-0.314106,0.000000,0.000000,0.175103,-0.529251,0.830200,0.000000,-0.260224,0.786531,0.560046,0.000000,-1661491.483522,5021878.769561,3551870.944726,1],    "boundingVolume": {    "region": [1.890253,0.594360,1.890369,0.594524,0.000000,8.785751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10.b3dm"}}}