{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951209,-0.308547,0.000000,0.000000,0.115636,-0.356491,0.927115,0.000000,-0.285787,0.881044,0.376944,0.000000,-1823656.531515,5622094.508437,2389244.532914,1],    "boundingVolume": {    "region": [1.884379,0.386444,1.884543,0.386547,0.000000,59.116220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_76660.b3dm"}}}