{
  "manageEntity": {
    "action": "Create",
    "entityId": "435551143",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":435551143,\"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": "0x8249c651c4469d5d8d345c54e621d45b2e681bc78c46b5d6154c2fdb4e77e01a",
    "signature": "0x7cd2aedf706635fd8a3f1a852ce1106696a02f33391163a0062c3d2552bf63d079670eb6ce8aa1071f7697482f259328c8f1efe9b1d2826f7d4bcfd5ac409aa91c",
    "signer": "0x61a802c3B08a085f60BF135b1492c598Df0a04E1",
    "userId": "813017770"
  }
}