Transaction not yet indexed

NFUR251LMnC299g8eJxS2oMNVMtH1gMNpexZEoFXZrWwWFAC7UXXUEYmnhVRDyLEirBcJYXR7vpQkuHv3TmhFbc

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