Add verification

curl --request POST \
  --url https://api.neynar.com/v2/farcaster/user/verification \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "signer_uuid": "19d0c5fd-9b33-4a48-a0e2-bc7b0555baec",
  "address": "0x1ea99cbed57e4020314ba3fadd7c692d2de34d5f",
  "block_hash": "0x191905a9201170abb55f4c90a4cc968b44c1b71cdf3db2764b775c93e7e22b29",
  "eth_signature": "0x2fc09da1f4dcb723fefb91f77932c249c418c0af00c66ed92ee1f35002c80d6a1145280c9f361d207d28447f8f7463366840d3a9309036cf6954afd1fd331beb1b"
}'

{
  "success": true,
  "message": "<string>"
}