{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949643,-0.313335,0.000000,0.000000,0.175233,-0.531090,0.828997,0.000000,-0.259206,0.785591,0.561835,0.000000,-1654999.571687,5015912.340163,3563237.613483,1],    "boundingVolume": {    "region": [1.889422,0.596518,1.889575,0.596686,0.000000,9.988233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_1411970.b3dm"}}}