Transaction not yet indexed

MMEJsTaifALdrkgQ4eQKTYXfACMaqTgps1PMgbaWWDUkEvQdM6F5RRJYPcZEr23TUFCFjPHg6NAQk4KyJgyano5

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