{
  "manageEntity": {
    "action": "Create",
    "entityId": "1736194950",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1736194950,\"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": "0x8fb191a0379e234a9eaf5971147d246a98c89d4ed20228bff39fe1d93026db68",
    "signature": "0xe05fb8be5bea5780f8ddc38994d68693958673bac1e3c4c022c85311729d56d516cea850bcd25f54f6a79b516a0a67976399753ea55a1e0de2fd2cb7a6d74fe01b",
    "signer": "0x520296aD627D45164e31c459d73885ade51FC107",
    "userId": "585607472"
  }
}