{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948811,-0.315846,0.000000,0.000000,0.176265,-0.529504,0.829793,0.000000,-0.261536,0.785663,0.560653,0.000000,-1669873.010037,5016349.053148,3555726.250136,1],    "boundingVolume": {    "region": [1.892096,0.595063,1.892192,0.595286,0.000000,8.751269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1074040.b3dm"}}}