Transaction not yet indexed

AmW14cPbSU5XHWLTy9psdfH52ef5mEqfMYmWNqmC9QM5zzML8f8jVCstqSsn9FGChZjAN7s8GcBMzwqZgQY3SAM

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