{
  "manageEntity": {
    "action": "Save",
    "entityId": "71262",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2f51293beecb9487e62e8118854a043d8e43cab81e99c67f9f81b2cd9371574f",
    "signature": "0xe5872afd6a00b368637a469fb8fb12695f0fc071eb5a17ea4d78ff795681805d33e08fc84ec7f592771f05eee02303f88142c84297e07fed2e01e4bb74dda4381b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}