Transaction not yet indexed

nikmmDYYD3TuNe5X3QjaEC9Nmsq9pXsHmUBn134m62YGBDK7v3t6ZbxULAwvqssFQMe7BsoqBmjhHU7TcFPjRYt

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