Transaction not yet indexed

21mLKttKGX2moAb5udGmbSWJvgEvGVWihNvQKAUd9ED28L44jvezccvN6WLt5Lrv2q7RLjSbqdCPMU7u5FVbK6BX

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