Transaction not yet indexed

Rkd51PNwVSSHSsvES7Kr2wSLqerwWEqpMcmCYT3t4v2DUTcyiB5eSrjB4ezAUPTgoMy2HnNDCxpMFJAEpMJ9SBx

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