Transaction not yet indexed

21u5uE6s2hzX8dLM7kdy1uzbs8PQF2qWtFi3DSqbPYFg1WU4vcvthdD4BJ4vnuc6fsQpS8uDzC1rHHAJP2ZnGM4e

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