{
  "manageEntity": {
    "action": "Create",
    "entityId": "326277555",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":326277555,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xe50b2ec554a83a14301c12b1033c608004a9e6cf72b0046d4fed9ebd0cf54b2b",
    "signature": "0xc5642d516655dc1f3a8d39ea80dd25cd96331496046e743f8dcd2790cb910ed47f5d2d47e2d2295645e134914cb5fe8b36b7e5dc37157c5b6ac16b0b4d82a74e1c",
    "signer": "0x8e9e3f061590606eB264245F3E473A0C9F33bcc0",
    "userId": "537204477"
  }
}