Transaction not yet indexed

55M91k2V4GDFeMtkzvF9LkQYAMdbveeZcwSAEjh8cXz4yM2q2iaZgcFD24ugDQUvqBKzmhsRKFE4CRdpfcCwNnG7

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