{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951469,-0.307744,0.000000,0.000000,0.170998,-0.528685,0.831416,0.000000,-0.255330,0.789420,0.558232,0.000000,-1630232.980885,5040288.730886,3540337.378238,1],    "boundingVolume": {    "region": [1.883563,0.592209,1.883671,0.592297,0.000000,5.423308]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/45/49_1321256.b3dm"}}}