{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950159,-0.311767,0.000000,0.000000,0.173912,-0.530024,0.829957,0.000000,-0.258210,0.786937,0.560409,0.000000,-1648635.754634,5024474.480166,3554174.106537,1],    "boundingVolume": {    "region": [1.887767,0.594814,1.887930,0.594945,0.000000,8.799563]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1358259.b3dm"}}}