{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898397,-0.439185,0.000000,0.000000,0.283977,-0.580903,0.762830,0.000000,-0.334080,0.683394,0.649125,0.000000,-2133819.596451,4364942.388242,4118302.900562,1],    "boundingVolume": {    "region": [2.025437,0.706396,2.025538,0.706471,0.000000,8.620368]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1818164.b3dm"}}}