ADD_KEY
TRANSFER
setTransaction
transfer
set_transaction
getTransactions
DEPLOY_CONTRACT
{ \" txn_type\": \"value1\", \"purpose\": \"value2\", \"amount\": \"value2\", \"user\": \"value2\", \"reference\": \"value2\", \"balance_before\": \"value2\", \"balance_after\": \"value2\", \"status\": \"value2\", \"description\": \"value2\", \"createdAt\": \"value2\", \"updatedAt\": \"value2\" }