Transaction not yet indexed

MkK3n1sUfYq6CLSu4tiLsReotddZz6KzrKAVzJ86ZAMcRtW1Ucb48kEiPd5qaHJtU7MmQgHmtq5NeZcVPcGNhuD

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