curl --request POST \
  --url https://varco-{partner}.musixmatch.com/distribution/artist/claim \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "musixmatch_user_id": "mxm:123456789012345678901",
  "partner_user_id": "123456",
  "artist": [
    {
      "spotify_artist_id": "4Z8W4fKeB5YxbusRsdQVPb",
      "partner_artist_id": "123456"
    }
  ]
}
'

{
  "message": {
    "body": {
      "artist_claim": {
        "claim_id_list": [
          "clm_abc123",
          "clm_def456"
        ]
      }
    },
    "header": {
      "status_code": 201,
      "execute_time": 0.05
    }
  }
}