{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948901,-0.315573,0.000000,0.000000,0.176178,-0.529753,0.829653,0.000000,-0.261266,0.785604,0.560862,0.000000,-1668145.533865,5015976.832845,3557053.014543,1],    "boundingVolume": {    "region": [1.891809,0.595331,1.891904,0.595522,0.000000,8.742115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/31_1072251.b3dm"}}}