{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951199,-0.308580,0.000000,0.000000,0.115668,-0.356547,0.927090,0.000000,-0.285810,0.881010,0.377008,0.000000,-1823800.487748,5621876.023629,2389646.013538,1],    "boundingVolume": {    "region": [1.884414,0.386512,1.884577,0.386615,0.000000,59.116220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_7876.b3dm"}}}