Transaction not yet indexed

53Sf6ieAwLZ2gnCPPPMmg5733tTKLPVsxbpwFLYCV2BKJ9UWd5JjrHkvVqmhmJdy267e5QsejVBeSTeP9o2KXX4y

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