{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892418,-0.451210,0.000000,0.000000,0.290962,-0.575474,0.764311,0.000000,-0.343899,0.680175,0.647376,0.000000,-2196516.259795,4344345.441236,4107179.391001,1],    "boundingVolume": {    "region": [2.038865,0.704103,2.038969,0.704172,0.000000,7.035419]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/7_1974751.b3dm"}}}