Transaction not yet indexed

2ngCS53FB81o4kgb2SsVrRFQ2vPVNmTp3Pan18JgpBGKgcuqBXQSCmRMFtJXYXYJXYng6qduXfdqC4UKU3cigAFQ

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