Transaction not yet indexed

Yiy18hWqqWNUk1s6FSFPeqbv16ZDeMKUiY3UFPXSjFKP5JYRpttQ4PfFVsoZJs2CosQxH5SpZZNj2icYJbyyBZa

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