{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949235,-0.314568,0.000000,0.000000,0.175916,-0.530841,0.829012,0.000000,-0.260231,0.785269,0.561812,0.000000,-1661546.950889,5013850.128339,3563093.880376,1],    "boundingVolume": {    "region": [1.890747,0.596564,1.890849,0.596586,0.000000,8.050963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_1418019.b3dm"}}}