Transaction not yet indexed

21CK12dCZSBN6RNwSnSkgrccs52sHGtPArN9tLB1J2CL9oFyqjMs3wAR6MaeEHRPsLfZktm3uLwoNVDX2E4txC1K

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