{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949891,-0.312581,0.000000,0.000000,0.174617,-0.530639,0.829416,0.000000,-0.258714,0.786198,0.561213,0.000000,-1651857.640646,5019772.609883,3559283.852965,1],    "boundingVolume": {    "region": [1.888629,0.595766,1.888782,0.595935,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352507.b3dm"}}}