{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897544,-0.440925,0.000000,0.000000,0.283170,-0.576419,0.766522,0.000000,-0.337040,0.686076,0.644751,0.000000,-2152685.708095,4381989.438517,4090474.211366,1],    "boundingVolume": {    "region": [2.027362,0.700663,2.027489,0.700731,0.000000,18.388655]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/8_858898.b3dm"}}}