Transaction not yet indexed

MkkZp5oeejfUeqkHprCVHybkv96uxP3s7iiff8AAQohESazHtTkTXeuC2kKmKUPnr8ooAYwEnR2r2yScVMBSES3

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