Transaction not yet indexed

21Cbk7n7zhVFeobmXyKiWMRpjns3LUQCUZwWCoaPTCRXcr1aftdPddpkbtFDHeW2C5CyqXePmep5KBKMW1sZQaA8

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