Transaction not yet indexed

AMB8Fx2N4bnCui6YrzfWPfb4DtnzqAe8RuhFSKQqvNt2o4Zo2wPmRmhRjcDx1ghdF21cjp5nLgXRdBwYYEwvP4w

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