Transaction not yet indexed

i51tGogAUvHwfiCSZLDC9HCv3shR1U7jKUNPCdRejP5wqBriCEmMi1f4MxV5ozH4itW4ViAMSm5LpfBU8aJz635

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