Transaction not yet indexed

PMMKXCdM3BEp98YTpLPD1SSUvWMqvi5bfif5iCCRi57tFDJHF8D22a2ghtbp5hV2SxX2RfUWHZh54pw9jgDJhmm

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