{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951489,-0.307684,0.000000,0.000000,0.170929,-0.528584,0.831494,0.000000,-0.255305,0.789511,0.558114,0.000000,-1630071.485780,5040867.395743,3539592.800289,1],    "boundingVolume": {    "region": [1.883500,0.592068,1.883608,0.592155,0.000000,7.843426]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/44/48_1321263.b3dm"}}}