Transaction not yet indexed

MumrwwAkWQ9G2AHU5f4jvGFny9mXNarzyFfE1odQ5QAimuqs4u9Qn74SVXbFU3CudPRctcYj6sU4SEinaHoJFSc

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