Transaction not yet indexed

53ExThCVwgXvmhorsVsYhjsWT4GvFJTSzy4vUhdDFZ3bHgMsaLfyA7eqzev2MxTAZDfAXoS7YF9URykWiUGdVNSk

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