{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948890,-0.315607,0.000000,0.000000,0.176197,-0.529746,0.829653,0.000000,-0.261294,0.785596,0.560861,0.000000,-1668327.300495,5015920.698180,3557046.965682,1],    "boundingVolume": {    "region": [1.891845,0.595330,1.891940,0.595520,0.000000,8.742115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/31_1072306.b3dm"}}}