{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949174,-0.314752,0.000000,0.000000,0.175942,-0.530573,0.829178,0.000000,-0.260436,0.785376,0.561566,0.000000,-1662853.391357,5014534.448749,3561531.588600,1],    "boundingVolume": {    "region": [1.890923,0.596225,1.891061,0.596331,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1447460.b3dm"}}}