{
  "manageEntity": {
    "action": "Save",
    "entityId": "23270",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2ed05e5b9cd08e2128eb2222c232591a9fc305b9a4c79057b80b2cca5ca5d27a",
    "signature": "0x08faa2d4d6040153e2bb37345cb7c350687301604b09436d484397492df2c6a53122c91ea05c52c463c8eb6f8a6797a871f7c74068f7710e0be71aaa33ba66581c",
    "signer": "0x6F272bE0cf1929131937536d1E57b571a5bEd994",
    "userId": "477662771"
  }
}