{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896519,-0.443006,0.000000,0.000000,0.283450,-0.573624,0.768513,0.000000,-0.339517,0.687087,0.642371,0.000000,-2168482.493931,4388398.412763,4075333.454233,1],    "boundingVolume": {    "region": [2.029661,0.697513,2.029829,0.697662,0.000000,44.365953]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_508558.b3dm"}}}