Transaction not yet indexed

53aQKMshqhaRsUWK5i9S1eSqTxFwZMEq2nozanPrH2Hq6fRbRdk7XNBqaVgPJkvpBM8RexiC1qdcHeSHiRGa3ux5

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