{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949055,-0.315110,0.000000,0.000000,0.175734,-0.529280,0.830049,0.000000,-0.261008,0.786110,0.560273,0.000000,-1666497.165223,5019195.864885,3553308.146128,1],    "boundingVolume": {    "region": [1.891321,0.594620,1.891416,0.594810,0.000000,17.403413]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/27_1462205.b3dm"}}}