Transaction not yet indexed

MCt3M6MJqcjWEevNVECDmRy9TZzaiHy2CFv7JLCe9iztvFhUQdq5XZhJ3gKDsoqjf8PT3NzzaTHb2CiZDCBpXqQ

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