Transaction not yet indexed

AmckVC15LEmc2rpKNJk2oCR5uxr8vQkmynhFKVhnmgK8cUATT2ampSA8FNQSkhsUWgQfeo7T7yrXSA26f4b4oEX

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