{
  "manageEntity": {
    "action": "Save",
    "entityId": "1436917905",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6ab737bcef55faf5322eedd3eae5faa2fa48b8f28002c20727fd1a4b50dc648b",
    "signature": "0x733dbffb4ee6dddaf98aa4a14ad10ead55830208d71ce8fbda04adc930bcf7d15e4d06559c2d334e82633c63f7b879f7f14f362612e4d80e577b8a020dc5082a1b",
    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}