{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951199,-0.308577,0.000000,0.000000,0.115668,-0.356552,0.927088,0.000000,-0.285806,0.881008,0.377013,0.000000,-1823779.601416,5621867.619380,2389681.486562,1],    "boundingVolume": {    "region": [1.884411,0.386518,1.884575,0.386621,0.000000,59.116220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_8749.b3dm"}}}