{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949623,-0.313395,0.000000,0.000000,0.175175,-0.530801,0.829195,0.000000,-0.259318,0.785764,0.561542,0.000000,-1655714.890710,5017008.864996,3561373.643246,1],    "boundingVolume": {    "region": [1.889513,0.596207,1.889612,0.596289,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443903.b3dm"}}}