Transaction not yet indexed

421mMUFShLFTRc9cAoKBX8adAW1bPuSz6yNprrSyvkv1DP8pFAowwtrVB77TybGZsbR28TaHNcjRWZvsB2zPcG6D

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