Transaction not yet indexed

MQDMZSsK2HU7AHzArq14aFW7UNMjnuv2jnWH7wYQjmCfUS6w2naAkPtqgCPsUhVCXyaXQmC7NdVtR9cS8FNmEm5

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.