{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949092,-0.314999,0.000000,0.000000,0.176077,-0.530520,0.829183,0.000000,-0.260642,0.785313,0.561559,0.000000,-1664168.896929,5014132.171485,3561483.839223,1],    "boundingVolume": {    "region": [1.891184,0.596215,1.891321,0.596322,0.000000,8.649238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1372896.b3dm"}}}