{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897463,-0.441089,0.000000,0.000000,0.285732,-0.581364,0.761822,0.000000,-0.335082,0.681775,0.650309,0.000000,-2140231.432766,4354625.552152,4125839.776243,1],    "boundingVolume": {    "region": [2.027533,0.707878,2.027684,0.708105,0.000000,6.761153]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1796436.b3dm"}}}