Transaction not yet indexed

PmMgb8n8DJ3LAfBPTFkqao2ACJZTHGzCiDFtYbDMnrD8JYWRAzoUaTbvfNBneA9PZNiRcPzu2MDySFSaJpfaTMm

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