{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893968,-0.448131,0.000000,0.000000,0.288715,-0.575952,0.764802,0.000000,-0.341774,0.681798,0.646794,0.000000,-2182940.929252,4354701.094660,4103473.635619,1],    "boundingVolume": {    "region": [2.035388,0.703292,2.035553,0.703454,0.000000,42.859510]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_1991255.b3dm"}}}