{
"manageEntity": {
"action": "Save",
"entityId": "87904",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0xb0d4a4e74feb0f88c9f6393abbed76fffc65e25b79fd6b85f456dd0c57678bba",
"signature": "0xd94dc31d3af0b922ace5b7ca5dd9451a0cfe6bc35e7f677f2938a3a59e5425ef43a2a6c4650d080002331b8a3e0a76c1663362aa6aaef9fca2822d864de0068e1b",
"signer": "0x1F5b327b06F23985a2eB7AcDEE087c4CE3F79860",
"userId": "51270411"
}
}