Transaction not yet indexed

55e21t542NNCU7RZWtHmMCdt4KSnShdhqTvfbZ2ipSwC5m2xGWDfmdxavcWuPNDMiTEQUfZCZ8FdKDYmqH9TyDkx

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