{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949220,-0.314613,0.000000,0.000000,0.115912,-0.349718,0.929657,0.000000,-0.292214,0.881640,0.370570,0.000000,-1864639.676197,5625806.045104,2348803.066418,1],    "boundingVolume": {    "region": [1.890791,0.379565,1.890900,0.379680,0.000000,40.140716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/18_74858.b3dm"}}}