{
  "manageEntity": {
    "action": "Save",
    "entityId": "2049163795",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x574dca78a774ac1f495da0238b6cb9655edfc21d7e56e559ee24d2a5c8155350",
    "signature": "0x2bba250dacb8bce26bf9c8bd17cc2d8575f619289cacc69452dab0f7bfae549e70f76b889f045f1590aff3e83c76ba53979cbea1a56e499fb085eb129e2d66d11b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}