{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898665,-0.438636,0.000000,0.000000,0.283722,-0.581281,0.762636,0.000000,-0.333578,0.683424,0.649352,0.000000,-2130612.265404,4365134.030943,4119750.333227,1],    "boundingVolume": {    "region": [2.024826,0.706695,2.024927,0.706770,0.000000,6.361774]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1819885.b3dm"}}}