Transaction not yet indexed

21MpH2zjTNX9tT5NYm28BK5fNXYkw7MxYhCc1JomA4RGbxWh7qW8F7AzdH8reXvhNzhhW9AMmPMTiiB1M3JxLkR5

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