Transaction not yet indexed

5C21TMoCMWbbCm7xib4NEBsteJxbgkxAAX8o2S9Xwzp6ryqBpkxLfAzEPhEPDFBDD8HcVDYsPVMVFx5JeLUW6ro5

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