Transaction not yet indexed

21MdEL1ZQq3fALxdozCm4ZYgaDdvNnoH8iTXQnRu2L19Zwcp8kPh3gUWrpwPuMkfvhowGuDoJCAvVYTJNGShffLN

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