Transaction not yet indexed

MphzCymBjAuDcGiWVXf5pW6APbN9GBACC6gUqhSkeKd4J12zjmdFMJ3H2GK3tBK27sxPKGFjaj4mEmX3d8n4XrD

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