Transaction not yet indexed

321ExSbPjn1szEnzXjsZcwQafLbMbbL6DUjbsfNrXq7PGvbDnZZdUsjajHvyadiL1jUYGEEXme3mC1Ts6sNmJh4r

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