Transaction not yet indexed

MpSSCRxmk6Ee5AGRfg8tVYrzG4BJi1Wz3bpynFsdP1DjH5QXWzfh1qzZhB316V9MFLrd4m8cms19aMdFfLW8jSg

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