Transaction not yet indexed

Mmk6R2vNFYYepBiZdMiD1aCcQGVcnYk8Ysype3yZaYEPDrpcugit7dH9mctp7r6FnmvXVYzqqcmdvMtDNbUCLVR

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