Transaction not yet indexed

1SxswsMyUcFzngYM3JqzP9MkVJi8eNBuSeRwdYNBTqudsPyYsYTSnKGd8ywmqTetoL9GKM2e9t4U1R2oDCX8gas

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