{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943086,-0.332548,0.000000,0.000000,0.186542,-0.529023,0.827851,0.000000,-0.274716,0.779079,0.563531,0.000000,-1754040.977616,4974363.512019,3574016.215527,1],    "boundingVolume": {    "region": [1.909728,0.598605,1.909872,0.598702,0.000000,8.820447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_657633.b3dm"}}}