{
  "manageEntity": {
    "action": "Save",
    "entityId": "85057912",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe9256744850793f11c12954f19961f0907670094314ab3d0a5f40204edd7ba51",
    "signature": "0x2f386e26ed2a9388d4d966e54bf48efeb702587ff5473fad28417d1ce7761ecb45cf02babbdfc960b55114295dc1e0aa07dc5ffc37e6838743cc7feacb38a5861b",
    "signer": "0x766d742Cc35188990Dc38CaD8006DEcEe3fAFed5",
    "userId": "353834"
  }
}