{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951518,-0.307592,0.000000,0.000000,0.170880,-0.528608,0.831489,0.000000,-0.255227,0.789531,0.558122,0.000000,-1629574.797813,5040993.114958,3539642.126259,1],    "boundingVolume": {    "region": [1.883450,0.592110,1.883466,0.592132,0.000000,5.841598]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/43/48.b3dm"}}}