Transaction not yet indexed

5u6NZSmscRdkwDuXZUNpXFtSMuibmqzDDE3jkMN5jVB3krdVMxDBbAtoRbvQ3bqNLKCXCUNV5pmnEjaKhMGeTKSK

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