Transaction not yet indexed

Ex15RTZuFzhUvAtSBsjCJjQW1ZiUNot7oUvNhrSZUDMwTWsW1rHi2PQfcmKhYC71ArGcCV32o9ErDK9ZzJTAG15

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