Transaction not yet indexed

1MFB8EXvGUc9n5CcW7MfjuSGTBeg3ryowWjsEoU8wav2o6CUpLbmWuEFcSeJyrHhsvsEgVsgUdHNXwAFR7FGHSa

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