Transaction not yet indexed

mpPbefnQrSKCcqHfNfiQLRVvCDWP1v1jfzNDyBehjEDSPyzBPDj78qDkWm9XfsBjt9EHqVQwsHWc46DmHqgHCCF

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