Transaction not yet indexed

53MEc4so9sRG7CGmAGEyDLmhgrm7Da2XECuFsSPFfbpNKqRx6bHGMToHnvd5SkBSHiChS8hNLLUyr2kXfK6yjjBk

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