Transaction not yet indexed

M66cJcPxQFDRBMUhwW6d5rWdvmfQuwzr4agdraJ4TkWeHSgx1imEPWmW76ZVXc4SrfqWNgDDZNKyeXcCmDTrgrh

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