Transaction not yet indexed

i87TQ6cppNMCRpHKAgAvvtf5EH6wsrRwe555j1AeRiZ58WP2PuAkweRaEqhv4cAwwSYYmbis4WtqJ3wtCMs12Xs

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