Transaction not yet indexed

NF55f68cqFQp3Haj2iSL24VkEfnz2cJ6uFZQxaeLkiekSP29VmFZpUUmsRGufmm9FVCtMBZ4F4Ux7m38HXMA99i

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