Transaction not yet indexed

21mZ51wFKCT8L3dAm25iAccZKvhpAKgHh2FLPrSLLVditMpkqFKem2n2kivXmNF9rDDmBXPXHH4PGN7ZKbKNZo7e

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