Transaction not yet indexed

mMEC7jvxLEDJMJxzLwttPb694Uo7vpMZxiARwcqKECbP5eqmgLdYATXXwRMPT53er7kzL6pJmasZVKcEQ8qNHuY

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