{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950709,-0.310083,0.000000,0.000000,0.173334,-0.531440,0.829172,0.000000,-0.256571,0.786642,0.561575,0.000000,-1638174.322776,5022612.539805,3561585.318263,1],    "boundingVolume": {    "region": [1.886028,0.596239,1.886126,0.596337,0.000000,8.819616]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/3_1427703.b3dm"}}}