{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950181,-0.311697,0.000000,0.000000,0.173854,-0.529978,0.829999,0.000000,-0.258166,0.786996,0.560346,0.000000,-1648351.992166,5024851.694297,3553775.106392,1],    "boundingVolume": {    "region": [1.887693,0.594738,1.887857,0.594869,0.000000,8.182521]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_1376563.b3dm"}}}