{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950772,-0.309892,0.000000,0.000000,0.173201,-0.531394,0.829230,0.000000,-0.256430,0.786748,0.561490,0.000000,-1637275.098060,5023290.623011,3561046.092170,1],    "boundingVolume": {    "region": [1.885802,0.596076,1.885948,0.596295,0.000000,8.812346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1423229.b3dm"}}}