Transaction not yet indexed

MPmAtNFtGtTiCaimFEPj7ed2GH1MWriGVRBUSgtMH7StaC9k3QnwwmgnkDzSSkix2tUyJk3e4DRhJqDYrfGm6Jn

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