Transaction not yet indexed

Ngf1kfk2grMdLPBgrn9EsuTLRt2tifaDQQvEnuvWswcCT3gJe4QP5eQFPcc1sw85Ar6AHEpqDtdbhZC23sX19N8

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