Transaction not yet indexed

55ffKo7jfk8Vd3t4qs8ux5MTLbdeQDVnMXPaAba8bMfqmPdNtDvAVk9sTrq2LB3QfKGFX8qZq2pCSMWwcx3bAPT7

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