Transaction not yet indexed

2Sm51HynMv4nacdbBCyBfpyTxm6aYYFVYUbB6dAEe1dqcKh5pFUV5N2oFKuZcZMyuhGtc7m1Fbd61CFRC5haH1Nq

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