{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948398,-0.317083,0.000000,0.000000,0.116344,-0.347986,0.930253,0.000000,-0.294699,0.881447,0.369057,0.000000,-1880490.999238,5624555.818272,2339204.849260,1],    "boundingVolume": {    "region": [1.893397,0.377955,1.893501,0.378034,0.000000,33.106846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/14_17930.b3dm"}}}