{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896880,-0.442273,0.000000,0.000000,0.286668,-0.581329,0.761497,0.000000,-0.335837,0.681040,0.650691,0.000000,-2145057.825462,4349933.484793,4128265.833233,1],    "boundingVolume": {    "region": [2.028879,0.708456,2.028977,0.708532,0.000000,8.388929]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/20_1790962.b3dm"}}}