{
  "manageEntity": {
    "action": "Create",
    "entityId": "597383802",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"is_album\":false,\"is_private\":true,\"playlist_name\":\"test\"}}",
    "nonce": "1782727749709606684",
    "signature": "0xa59739654ca50f40380ab3485bf529f02103541c0ea8fa73a77d237b8c7a178e2064b76f09d6b9c5516377ef36593d79738663b58fa38cfaab090d90fbc2001c1c",
    "signer": "0x922cb2AE695da9f7Dd0e556954c23eeeb8bfFe0E",
    "userId": "477662771"
  }
}