{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950223,-0.311571,0.000000,0.000000,0.174384,-0.531832,0.828700,0.000000,-0.257654,0.785787,0.562275,0.000000,-1645095.251904,5017170.952876,3566032.171246,1],    "boundingVolume": {    "region": [1.887567,0.597041,1.887719,0.597226,0.000000,8.770137]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1325955.b3dm"}}}