{
  "manageEntity": {
    "action": "Save",
    "entityId": "1795117483",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x99f0abbdfcc6a861a543eb805888c6aa0039aae664cddde566fc00ec636b27a9",
    "signature": "0x73cb169e276b3605e0790b7e94c347ec4f4c1b56cde3ee9f7979361bf82e1425256184c4226db9786a056cab61e71f15fc407c1ca84c0a970f0c196f5730fabd1c",
    "signer": "0xF092Ce2889Ee6490A601Ddc0986c585faE589CB5",
    "userId": "658799981"
  }
}