Transaction not yet indexed

NF55UuXPVhUeVmg25khXAkciNB1FxYfpMJLqBva1xphkpXgbkUbGMSXnMFYGLBjYaFWnkZ3mNZqY7fPtBWs5nbe

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