Transaction not yet indexed

MU1tCSCHApKEQGHaH4LA2K8vUowtDtCS15Sp4fVfwtJA3MWPDEASVmWA7pVArZXLDAQTwnLpappn1wEmDTqsuWF

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