Transaction not yet indexed

21Mm5eq3a7mLukQFHjZPMjz1rooVdwPfZRvrNF2YqDFphsH4XUjbySXzE5eEZLBWVnVGcCsdMeiFS6wha6jWZ6aB

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