Transaction not yet indexed

MMwKi2EXWjaYpiNwaehyNaa5xMuqw82YAz1HP7ER3Pm4ArdTCjDqVrCH4VmKBF2oDwrSUPiN4CejmxwjbA2iPQc

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