Transaction not yet indexed

53FixZHw8f1afAeS9Pzk3Vfmy16eSQsXXJHBcMDpd4mnKjuky5PAXGZP7DbcEp9YPmJPLHUqScHq6Q8aRZ5ePUP7

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