{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951207,-0.308555,0.000000,0.000000,0.115641,-0.356496,0.927113,0.000000,-0.285794,0.881039,0.376951,0.000000,-1823699.252879,5622062.749265,2389286.373730,1],    "boundingVolume": {    "region": [1.884388,0.386451,1.884551,0.386554,0.000000,59.116220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_77211.b3dm"}}}