{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948906,-0.315560,0.000000,0.000000,0.176168,-0.529748,0.829657,0.000000,-0.261256,0.785613,0.560855,0.000000,-1668086.204492,5016028.606800,3557008.130464,1],    "boundingVolume": {    "region": [1.891795,0.595323,1.891890,0.595513,0.000000,8.742115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/31_1180823.b3dm"}}}