{
"manageEntity": {
"action": "Save",
"entityId": "1044057622",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0x5fce6aba715b0b5379fa0ac1c97e003bba082e6d35376a5589ee4acf920766b5",
"signature": "0x3db93db41b200e0066c6bb7d0ed54838110dcce210c53c273d45438faea8fd90591264555e6f35fbd792eab382c200e3d181c3dfae4aba765fd47331b475299f1b",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}