Transaction not yet indexed

MD3GSK6My3uJhRGE3kH1PtLf3QJMHiigvm6a2TJZvSRiWFebUL3mdgCmm8MZfZ5xQ8JqytZpUWtXw5tbLtc31km

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