Transaction not yet indexed

mppo3T1HNM95hcRWEn5SyGT1JM5My2fkwKh878WpPsm46PT2uSmpQK4X6CUwGmMo77XPqSDqd1a93HsUV4wDp4X

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