{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949451,-0.313914,0.000000,0.000000,0.114696,-0.346905,0.930861,0.000000,-0.291947,0.883010,0.367505,0.000000,-1862921.625385,5634507.943677,2329357.627934,1],    "boundingVolume": {    "region": [1.890025,0.376200,1.890194,0.376449,0.000000,26.403536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_29028.b3dm"}}}