Transaction not yet indexed

UcE5tkwXgnERJtf1v1ex7PLntfReRf6Kw8dkRZdFXBTiPxtvqNfCuqCViZwSZnNTWUAnBcbpgiN9ttSGQVJnt11

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