{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949104,-0.314962,0.000000,0.000000,0.175973,-0.530276,0.829362,0.000000,-0.260668,0.785494,0.561294,0.000000,-1664333.150094,5015283.092980,3559797.506048,1],    "boundingVolume": {    "region": [1.891145,0.595895,1.891282,0.596001,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1361461.b3dm"}}}