{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951202,-0.308569,0.000000,0.000000,0.115665,-0.356553,0.927088,0.000000,-0.285799,0.881011,0.377013,0.000000,-1823732.298386,5621883.605250,2389679.989591,1],    "boundingVolume": {    "region": [1.884403,0.386518,1.884566,0.386621,0.000000,59.116220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_8732.b3dm"}}}