{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949874,-0.312634,0.000000,0.000000,0.174738,-0.530904,0.829221,0.000000,-0.258697,0.785996,0.561503,0.000000,-1651747.525804,5018491.758932,3561128.238918,1],    "boundingVolume": {    "region": [1.888676,0.596098,1.888847,0.596304,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1436914.b3dm"}}}