Transaction not yet indexed

Cx53cP5RuJ1pA4Ky1CP8AptULGnPTUm3HpLGPjdAF2ThWiBozQBg9nfwMqH84MB3JFVA3FxmUUJ27m9FGVu8Nx9

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