Transaction not yet indexed

15Xc8vXXcB79u4VMC7acUzcyd6aKzpceDqKz4Fg9A5HKN16mwmGtnsaheMLKJWntBCP6j5qRGGKN2pyCu34Y3Xp

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