Transaction not yet indexed

AmRLbtrC5xRZwymDxaxthJHDjc2waKtYrw1qppq37LUbGeu4ufFiKhFz2prsSZZDWKMXPbftoWb1SawsoHqvAm7

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