{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951592,-0.307363,0.000000,0.000000,0.114808,-0.355445,0.927619,0.000000,-0.284848,0.881884,0.375690,0.000000,-1817655.543302,5627434.761221,2381285.674577,1],    "boundingVolume": {    "region": [1.883186,0.385130,1.883249,0.385152,0.000000,8.971759]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/16/48.b3dm"}}}