Transaction not yet indexed

U21C4dGAZ5i87PQwpJfDuXaHuvFrSRvGK5LFWRsdPkxnZgjFtTBYRVNJGhQYLF2YWhHWdoapXrWd3etCycdaF6m

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