Transaction not yet indexed

AmamEQSrrn2gbTWVrzeGnUi8qH7m4sXEK6fkCb5szFgcCs9nWV2DQyHx4vrjou2VbzLBw5gjzskqko5dL6M2rXA

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