Transaction not yet indexed

MLefXAGNTpcSqfRwHMUSWdK1sHXKq3StLWw4x3WxpRD1UtWiyMWc8Me81trH1sRN4S6gzLAAnSnA5ZYPGMxqcJL

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