{
  "manageEntity": {
    "action": "Save",
    "entityId": "29217",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x53e402e328eb48cf63b908a5bbb3f313adf2c8e385d9a655c08616a721025754",
    "signature": "0x74f06e789f9f7120a6943d35ffcfe33a27ac932f10dbd0c7b46769403100325b7204e55fb463d4eb72e02b908e485f135eb3c14bf1faed61a541bf02d1b88a2e1b",
    "signer": "0xbcF27CD259a120e92577BC7a7EB95670b3A0E2fA",
    "userId": "105402635"
  }
}