{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896225,-0.443599,0.000000,0.000000,0.287389,-0.580626,0.761762,0.000000,-0.336962,0.680781,0.650380,0.000000,-2152239.283819,4348276.584176,4126286.479836,1],    "boundingVolume": {    "region": [2.030347,0.708041,2.030466,0.708127,0.000000,5.359851]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/21_1799939.b3dm"}}}