Transaction not yet indexed

645UxD1QG3o8FVRtcfYYMorxWDoPjava1yNZ1CyDTJ9ZGimGqe9NJhBzfmVXrjy2M2cNWtZmjGdbTMJTLAgyksfC

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