Transaction not yet indexed

mpS3Q9Wj14CEgVbvUvWEpPaE5AnqnL9kLi7ef3Z2LCaJXeFTuB8ovqgVaqBG2VckGwi2kBGhbekMDkYmypcZ7am

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