Transaction not yet indexed

51aMYMrFSF4KYwec37mCXW7Ce9o8JK35ZDAEfcLmY66S4SuSEC6UcsoHihRid3rK3nmKR8WWj9pjDm4mxJytGEq5

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