{
  "manageEntity": {
    "action": "Save",
    "entityId": "244681779",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3aa53906bc83070001f3500594cd911d42964b68ace485a748331e2ccfa88f98",
    "signature": "0x4f6ade34786c4933f7401b88ecd11632380304d83dbd85a713b90daa8f3e7e5f0fdad8d135ed354b036786c5b20aacb94f9916fec97ec383b1ff60f7e4a65b6e1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}