Transaction not yet indexed

21Gmp4FC18Ens5EVPLb5UK3NBWZKgcg4Tjad9ZapnNbzQEqnQjYvTMhjwhEZq7BNBuosuiD7pHqnGDm5SHhXPcwJ

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