Transaction not yet indexed

1215NNdGN2PYADbhjGqW9XfBE2A7bPi6NwMpZg7v25LfMwDfRPTJMbMLWTK9Xr6G36x76yzwE8RBvANdmTMRzNtU

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