{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942969,-0.332880,0.000000,0.000000,0.186476,-0.528242,0.828364,0.000000,-0.275163,0.779469,0.562772,0.000000,-1756888.949682,4976841.879691,3569196.292143,1],    "boundingVolume": {    "region": [1.910090,0.597696,1.910215,0.597776,0.000000,8.729947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1287574.b3dm"}}}