{
"manageEntity": {
"action": "Save",
"entityId": "1459796908",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0xd9b7d2802b916937ebd9f982ce375db089c1f570479fdc2c67636479e076e70b",
"signature": "0x9da5bd1857fa0b2894622c0a1c67e5baa3940086e4ea730680d83c9065953614630a4b7092cb50c92fe9288f3e2f47efaaa74a1db52db2bd896b50a07e126c6b1c",
"signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
"userId": "728570067"
}
}